025
FPCA52 TJSJ 191843
ZFPPR

Zone Forecast for Puerto Rico and the U.S. Virgin Islands
National Weather Service San Juan PR
243 PM AST Sat Sep 19 2026

PRZ001-200800-
San Juan and Vicinity-
Including the municipalities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Variably cloudy with isolated showers this evening,
then partly cloudy with scattered showers after midnight. Lows
around 83. Southeast winds 5 to 10 mph. Chance of rain
50 percent.
.SUNDAY...Variably cloudy with scattered showers. Isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Southeast winds 10 to 15 mph. Chance of
rain 50 percent.
.SUNDAY NIGHT...Isolated thunderstorms in the evening. Variably
cloudy with scattered showers. Lows around 83. Southeast winds
5 to 10 mph. Chance of rain 50 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Southeast winds 10 to 15 mph with gusts
up to 25 mph. Chance of rain 70 percent.
.MONDAY NIGHT...Mostly cloudy with scattered showers in the
evening, then partly cloudy with isolated showers after midnight.
Lows around 83. Southeast winds 5 to 10 mph. Chance of rain
50 percent.
.TUESDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 40 percent.
.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.WEDNESDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 30 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.THURSDAY...Variably cloudy in the morning, then becoming mostly
cloudy. Scattered showers. Isolated thunderstorms in the
afternoon. Highs around 92. Temperature falling in the afternoon.
Chance of rain 50 percent.
.THURSDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.FRIDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 50 percent.
.FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.SATURDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 30 percent.

$$

PRZ002-200800-
Northeast-
Including the municipalities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Variably cloudy with scattered showers this evening,
then mostly cloudy with numerous showers after midnight. Lows
around 83. East winds 5 to 10 mph. Chance of rain 60 percent.
.SUNDAY...Mostly cloudy with numerous showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Temperature falling in the afternoon. Southeast
winds 10 to 15 mph. Chance of rain 60 percent.
.SUNDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Southeast winds 5 to 10 mph. Chance of rain
50 percent.
.MONDAY...Variably cloudy with scattered showers. Isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Southeast winds 10 to 15 mph. Chance of
rain 50 percent.
.MONDAY NIGHT...Mostly cloudy with scattered showers in the
evening, then partly cloudy with isolated showers after midnight.
Lows around 83. Southeast winds 5 to 10 mph. Chance of rain
50 percent.
.TUESDAY...Variably cloudy with scattered showers. Highs around
92. Temperature falling in the afternoon. Chance of rain
40 percent.
.TUESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 30 percent.
.WEDNESDAY...Variably cloudy with scattered showers in the
morning, then partly cloudy with isolated showers in the
afternoon. Highs around 92. Temperature falling in the afternoon.
Chance of rain 30 percent.
.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.THURSDAY...Variably cloudy with scattered showers. Highs around
92. Temperature falling in the afternoon. Chance of rain
50 percent.
.THURSDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.FRIDAY...Variably cloudy with scattered showers. Highs around
92. Temperature falling in the afternoon. Chance of rain
50 percent.
.FRIDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 30 percent.
.SATURDAY...Variably cloudy with scattered showers. Highs around
92. Temperature falling in the afternoon. Chance of rain
30 percent.

$$

PRZ003-200800-
Southeast-
Including the municipalities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Partly cloudy with isolated showers this evening, then
variably cloudy with scattered showers after midnight. Lows
around 83. East winds 5 to 10 mph. Chance of rain 50 percent.
.SUNDAY...Mostly cloudy in the morning, then becoming variably
cloudy. Scattered showers. Highs around 92. Temperature falling
in the afternoon. Southeast winds 10 to 15 mph. Chance of rain
50 percent.
.SUNDAY NIGHT...Variably cloudy in the evening, then becoming
partly cloudy. Scattered showers. Lows around 83. East winds 5 to
10 mph. Chance of rain 40 percent.
.MONDAY...Mostly cloudy in the morning, then becoming variably
cloudy. Scattered showers. Highs around 92. Temperature falling
in the afternoon. Southeast winds 10 to 15 mph with gusts up to
25 mph. Chance of rain 50 percent.
.MONDAY NIGHT...Mostly cloudy in the evening, then becoming
variably cloudy. Scattered showers. Lows around 83. East winds
5 to 10 mph. Chance of rain 50 percent.
.TUESDAY...Partly cloudy with isolated showers. Highs around 92.
Temperature falling in the afternoon. Chance of rain 20 percent.
.TUESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 30 percent.
.WEDNESDAY...Partly cloudy with isolated showers. Highs around
92. Temperature falling in the afternoon. Chance of rain
20 percent.
.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.THURSDAY...Variably cloudy with scattered showers. Highs around
92. Temperature falling in the afternoon. Chance of rain
40 percent.
.THURSDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.FRIDAY...Variably cloudy with scattered showers. Highs around
92. Temperature falling in the afternoon. Chance of rain
40 percent.
.FRIDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 30 percent.
.SATURDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 30 percent.

$$

PRZ004-200800-
Eastern Interior-
Including the municipalities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Partly cloudy until early morning, then becoming
variably cloudy. Isolated showers. Lows around 77. East winds
5 to 10 mph. Chance of rain 20 percent.
.SUNDAY...Mostly cloudy with scattered showers. Isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Southeast winds 5 to 10 mph. Chance of
rain 50 percent.
.SUNDAY NIGHT...Variably cloudy with scattered showers. Lows
around 77. Southeast winds 5 to 10 mph. Chance of rain
50 percent.
.MONDAY...Variably cloudy with scattered showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Southeast winds 10 to 15 mph. Chance of
rain 70 percent.
.MONDAY NIGHT...Mostly cloudy with scattered showers in the
evening, then partly cloudy with isolated showers after midnight.
Lows around 77. Southeast winds 5 to 10 mph. Chance of rain
50 percent.
.TUESDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 40 percent.
.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around
77. Chance of rain 20 percent.
.WEDNESDAY...Partly cloudy with isolated showers. Highs around
92. Temperature falling in the afternoon. Chance of rain
20 percent.
.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 77. Chance of rain 40 percent.
.THURSDAY...Variably cloudy with scattered showers. Isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 50 percent.
.THURSDAY NIGHT...Variably cloudy with scattered showers. Lows
around 77. Chance of rain 40 percent.
.FRIDAY...Variably cloudy with scattered showers. Isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 50 percent.
.FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around
78. Chance of rain 20 percent.
.SATURDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 40 percent.

$$

PRZ005-200800-
North Central-
Including the municipalities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Variably cloudy with scattered showers this evening,
then partly cloudy with isolated showers after midnight. Lows
around 83. Southeast winds 5 to 10 mph. Chance of rain
50 percent.
.SUNDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. East winds 10 to
15 mph. Chance of rain 70 percent.
.SUNDAY NIGHT...Mostly cloudy with scattered showers with
isolated thunderstorms in the evening, then partly cloudy with
isolated showers after midnight. Lows around 83. Southeast winds
5 to 10 mph. Chance of rain 50 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then cloudy with numerous showers with isolated thunderstorms in
the afternoon. Highs around 92. Temperature falling in the
afternoon. East winds 10 to 15 mph. Chance of rain 70 percent.
.MONDAY NIGHT...Variably cloudy with scattered showers in the
evening, then partly cloudy with isolated showers after midnight.
Lows around 83. Southeast winds 5 to 10 mph. Chance of rain
40 percent.
.TUESDAY...Mostly sunny with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Chance of rain 50 percent.
.TUESDAY NIGHT...Clear. Lows around 83.
.WEDNESDAY...Sunny in the morning, then partly cloudy with
isolated showers in the afternoon. Highs around 92. Chance of
rain 20 percent.
.WEDNESDAY NIGHT...Mostly clear with isolated showers. Lows
around 83. Chance of rain less than 20 percent.
.THURSDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 92. Chance of rain
50 percent.
.THURSDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain less than 20 percent.
.FRIDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 70 percent.
.FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain less than 20 percent.
.SATURDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 50 percent.

$$

PRZ006-200800-
Central Interior-
Including the municipalities of Aibonito, Barranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Variably cloudy early this evening, then clearing.
Scattered showers with isolated thunderstorms this evening, then
isolated showers after midnight. Lows around 76. East winds
around 5 mph. Chance of rain 50 percent.
.SUNDAY...Partly cloudy with scattered showers in the morning,
then mostly cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 91. Temperature
falling in the afternoon. Southeast winds 5 to 10 mph. Chance of
rain 70 percent.
.SUNDAY NIGHT...Mostly cloudy with scattered showers with
isolated thunderstorms in the evening, then partly cloudy with
isolated showers after midnight. Lows around 76. Southeast winds
around 5 mph. Chance of rain 50 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then cloudy with showers with isolated thunderstorms in the
afternoon. Highs around 91. Temperature falling in the afternoon.
Southeast winds 5 to 10 mph with gusts up to 25 mph. Chance of
rain 90 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
76. Southeast winds around 5 mph. Chance of rain 20 percent.
.TUESDAY...Partly cloudy with isolated showers. Highs around 91.
Temperature falling in the afternoon. Chance of rain 20 percent.
.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around
76. Chance of rain 20 percent.
.WEDNESDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 91. Temperature
falling in the afternoon. Chance of rain 50 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 76. Chance of rain 20 percent.
.THURSDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 91. Temperature
falling in the afternoon. Chance of rain 50 percent.
.THURSDAY NIGHT...Partly cloudy with isolated showers. Lows
around 76. Chance of rain 20 percent.
.FRIDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 50 percent.
.FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around
76. Chance of rain 20 percent.
.SATURDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 50 percent.

$$

PRZ007-200800-
Ponce and Vicinity-
Including the municipalities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Variably cloudy with scattered showers with isolated
thunderstorms this evening, then partly cloudy with isolated
showers after midnight. Lows around 83. East winds 5 to 10 mph.
Chance of rain 50 percent.
.SUNDAY...Partly cloudy in the morning, then becoming variably
cloudy. Scattered showers. Isolated thunderstorms in the
afternoon. Highs around 92. Temperature falling in the afternoon.
Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of
rain 50 percent.
.SUNDAY NIGHT...Variably cloudy with scattered showers in the
evening, then clear with isolated showers after midnight. Lows
around 83. East winds 5 to 10 mph. Chance of rain 50 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Southeast winds 10 to 15 mph with gusts
up to 25 mph. Chance of rain 50 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. East winds 5 to 10 mph. Chance of rain 20 percent.
.TUESDAY...Partly cloudy with isolated showers. Highs around 92.
Temperature falling in the afternoon. Chance of rain 20 percent.
.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.WEDNESDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Chance of rain 50 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.THURSDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 50 percent.
.THURSDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.FRIDAY...Partly cloudy with isolated showers. Highs around 92.
Chance of rain 20 percent.
.FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain less than 20 percent.
.SATURDAY...Partly cloudy with isolated showers in the morning,
then mostly cloudy with scattered showers in the afternoon. Highs
around 92. Chance of rain 50 percent.

$$

PRZ008-200800-
Northwest-
Including the municipalities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Variably cloudy with scattered showers this evening,
then partly cloudy with isolated showers after midnight. Lows
around 83. Southeast winds 5 to 10 mph. Chance of rain
50 percent.
.SUNDAY...Partly cloudy in the morning, then variably cloudy with
numerous showers with isolated thunderstorms in the afternoon.
Highs around 92. Temperature falling in the afternoon. East winds
5 to 10 mph. Chance of rain 70 percent.
.SUNDAY NIGHT...Mostly cloudy with scattered showers with
isolated thunderstorms in the evening, then partly cloudy with
isolated showers after midnight. Lows around 83. Southeast winds
5 to 10 mph. Chance of rain 50 percent.
.MONDAY...Partly cloudy in the morning, then cloudy with showers
with isolated thunderstorms in the afternoon. Highs around 92.
Temperature falling in the afternoon. East winds 5 to 10 mph.
Chance of rain 90 percent.
.MONDAY NIGHT...Variably cloudy with scattered showers in the
evening, then partly cloudy after midnight. Lows around 83.
Southeast winds 5 to 10 mph. Chance of rain 50 percent.
.TUESDAY...Sunny in the morning, then variably cloudy with
scattered showers with isolated thunderstorms in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 50 percent.
.TUESDAY NIGHT...Clear. Lows around 83.
.WEDNESDAY...Sunny in the morning, then partly cloudy with
isolated showers in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 20 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain less than 20 percent.
.THURSDAY...Partly cloudy in the morning, then cloudy with
numerous showers with isolated thunderstorms in the afternoon.
Highs around 92. Chance of rain 70 percent.
.THURSDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.FRIDAY...Sunny in the morning, then cloudy with numerous showers
with isolated thunderstorms in the afternoon. Highs around 92.
Temperature falling in the afternoon. Chance of rain 70 percent.
.FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain less than 20 percent.
.SATURDAY...Partly cloudy in the morning, then variably cloudy
with scattered showers in the afternoon. Highs around 92.
Temperature falling in the afternoon. Chance of rain 50 percent.

$$

PRZ009-200800-
Western Interior-
Including the municipalities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Variably cloudy with scattered showers with isolated
thunderstorms this evening, then partly cloudy after midnight.
Lows around 77. East winds around 5 mph. Chance of rain
50 percent.
.SUNDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with showers with isolated thunderstorms in
the afternoon. Highs around 92. Southeast winds around 5 mph with
gusts up to 20 mph. Chance of rain 80 percent.
.SUNDAY NIGHT...Mostly cloudy with scattered showers with
isolated thunderstorms in the evening, then mostly clear after
midnight. Lows around 77. Southeast winds around 5 mph. Chance of
rain 50 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then cloudy with showers with isolated thunderstorms in the
afternoon. Highs around 92. Southeast winds 5 to 10 mph with
gusts up to 25 mph. Chance of rain 90 percent.
.MONDAY NIGHT...Variably cloudy with scattered showers with
isolated thunderstorms in the evening, then partly cloudy after
midnight. Lows around 77. Southeast winds around 5 mph. Chance of
rain 50 percent.
.TUESDAY...Sunny in the morning, then mostly cloudy with
scattered showers with isolated thunderstorms in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 50 percent.
.TUESDAY NIGHT...Clear. Lows around 76.
.WEDNESDAY...Sunny in the morning, then mostly cloudy with
scattered showers with isolated thunderstorms in the afternoon.
Highs around 92. Temperature falling in the afternoon. Chance of
rain 50 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 76. Chance of rain less than 20 percent.
.THURSDAY...Mostly sunny in the morning, then cloudy with
numerous showers with isolated thunderstorms in the afternoon.
Highs around 92. Chance of rain 70 percent.
.THURSDAY NIGHT...Partly cloudy with isolated showers. Lows
around 77. Chance of rain 20 percent.
.FRIDAY...Mostly sunny in the morning, then cloudy with numerous
showers with isolated thunderstorms in the afternoon. Highs
around 92. Temperature falling in the afternoon. Chance of rain
70 percent.
.FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around
77. Chance of rain less than 20 percent.
.SATURDAY...Partly cloudy in the morning, then mostly cloudy with
numerous showers in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 60 percent.

$$

PRZ010-200800-
Mayaguez and Vicinity-
Including the municipalities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Mostly cloudy with numerous showers with isolated
thunderstorms this evening, then partly cloudy after midnight.
Lows around 83. East winds 5 to 10 mph. Chance of rain
70 percent.
.SUNDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with numerous showers with isolated
thunderstorms in the afternoon. Highs around 92. East winds 5 to
10 mph. Chance of rain 70 percent.
.SUNDAY NIGHT...Mostly cloudy with scattered showers with
isolated thunderstorms in the evening, then mostly clear with
isolated showers after midnight. Lows around 83. East winds 5 to
10 mph. Chance of rain 50 percent.
.MONDAY...Partly cloudy in the morning, then cloudy with showers
with isolated thunderstorms in the afternoon. Highs around 92.
East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain
90 percent.
.MONDAY NIGHT...Mostly cloudy with scattered showers with
isolated thunderstorms in the evening, then partly cloudy after
midnight. Lows around 83. East winds 5 to 10 mph. Chance of rain
50 percent.
.TUESDAY...Sunny in the morning, then mostly cloudy with
scattered showers with isolated thunderstorms in the afternoon.
Highs around 92. Chance of rain 50 percent.
.TUESDAY NIGHT...Clear with isolated showers. Lows around 83.
Chance of rain less than 20 percent.
.WEDNESDAY...Sunny in the morning, then mostly cloudy with
scattered showers with isolated thunderstorms in the afternoon.
Highs around 92. Chance of rain 50 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.THURSDAY...Sunny in the morning, then cloudy with numerous
showers with isolated thunderstorms in the afternoon. Highs
around 92. Chance of rain 70 percent.
.THURSDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.FRIDAY...Sunny in the morning, then mostly cloudy with numerous
showers with isolated thunderstorms in the afternoon. Highs
around 92. Chance of rain 70 percent.
.FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain less than 20 percent.
.SATURDAY...Partly cloudy in the morning, then mostly cloudy with
scattered showers in the afternoon. Highs around 92. Chance of
rain 50 percent.

$$

PRZ011-200800-
Southwest-
Including the municipalities of Cabo Rojo, Guanica, and Lajas
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Mostly cloudy with scattered showers with isolated
thunderstorms this evening, then partly cloudy with isolated
showers after midnight. Lows around 83. East winds 5 to 10 mph.
Chance of rain 50 percent.
.SUNDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Temperature falling in the afternoon. Southeast
winds 10 to 15 mph with gusts up to 30 mph. Chance of rain
50 percent.
.SUNDAY NIGHT...Variably cloudy with scattered showers in the
evening, then clear after midnight. Lows around 83. East winds
10 to 15 mph. Chance of rain 50 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers with isolated
thunderstorms in the afternoon. Highs around 92. Temperature
falling in the afternoon. Southeast winds 10 to 15 mph with gusts
up to 30 mph. Chance of rain 50 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. East winds 5 to 10 mph. Chance of rain 20 percent.
.TUESDAY...Mostly sunny in the morning, then partly cloudy with
isolated showers in the afternoon. Highs around 92. Temperature
falling in the afternoon. Chance of rain 20 percent.
.TUESDAY NIGHT...Mostly clear with isolated showers. Lows around
83. Chance of rain less than 20 percent.
.WEDNESDAY...Partly cloudy with isolated showers. Highs around
92. Temperature falling in the afternoon. Chance of rain
20 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.THURSDAY...Partly cloudy with isolated showers. Highs around 92.
Temperature falling in the afternoon. Chance of rain 20 percent.
.THURSDAY NIGHT...Partly cloudy with isolated showers. Lows
around 83. Chance of rain 20 percent.
.FRIDAY...Partly cloudy with isolated showers. Highs around 92.
Temperature falling in the afternoon. Chance of rain 20 percent.
.FRIDAY NIGHT...Partly cloudy. Lows around 83.
.SATURDAY...Partly cloudy in the morning, then variably cloudy
with scattered showers in the afternoon. Highs around 92.
Temperature falling in the afternoon. Chance of rain 50 percent.

$$

PRZ012-200800-
Culebra-
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Variably cloudy with scattered showers. Lows around
83. East winds around 10 mph. Chance of rain 50 percent.
.SUNDAY...Variably cloudy with scattered showers. Highs around
92. Southeast winds around 10 mph. Chance of rain 40 percent.
.SUNDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Southeast winds around 10 mph. Chance of rain
50 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Southeast winds 10 to 15 mph. Chance of rain
40 percent.
.MONDAY NIGHT...Variably cloudy with scattered showers in the
evening, then partly cloudy with isolated showers after midnight.
Lows around 81. East winds 10 to 15 mph. Chance of rain
40 percent.
.TUESDAY...Variably cloudy with scattered showers in the morning,
then partly cloudy with isolated showers in the afternoon. Highs
around 92. Chance of rain 30 percent.
.TUESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 30 percent.
.WEDNESDAY...Variably cloudy with scattered showers. Highs around
92. Chance of rain 30 percent.
.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.THURSDAY...Variably cloudy with scattered showers. Highs around
92. Chance of rain 40 percent.
.THURSDAY NIGHT...Variably cloudy with scattered showers. Lows
around 81. Chance of rain 40 percent.
.FRIDAY...Variably cloudy with scattered showers. Highs around
92. Chance of rain 40 percent.
.FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around
81. Chance of rain 20 percent.
.SATURDAY...Variably cloudy with scattered showers in the
morning, then partly cloudy with isolated showers in the
afternoon. Highs around 92. Chance of rain 30 percent.

$$

PRZ013-200800-
Vieques-
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Partly cloudy, then becoming mostly cloudy late this
evening, then becoming variably cloudy, then becoming mostly
cloudy late. Scattered showers. Lows around 83. East winds around
10 mph. Chance of rain 50 percent.
.SUNDAY...Variably cloudy with scattered showers. Highs around
92. Temperature falling in the afternoon. Southeast winds 5 to
10 mph. Chance of rain 50 percent.
.SUNDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Southeast winds 5 to 10 mph. Chance of rain
50 percent.
.MONDAY...Variably cloudy with scattered showers. Highs around
92. Temperature falling in the afternoon. Southeast winds 10 to
15 mph. Chance of rain 50 percent.
.MONDAY NIGHT...Mostly cloudy in the evening, then becoming
variably cloudy. Scattered showers. Lows around 83. East winds
10 to 15 mph. Chance of rain 50 percent.
.TUESDAY...Variably cloudy with scattered showers in the morning,
then partly cloudy with isolated showers in the afternoon. Highs
around 92. Temperature falling in the afternoon. Chance of rain
30 percent.
.TUESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 30 percent.
.WEDNESDAY...Variably cloudy with scattered showers in the
morning, then partly cloudy with isolated showers in the
afternoon. Highs around 92. Temperature falling in the afternoon.
Chance of rain 30 percent.
.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.THURSDAY...Variably cloudy with scattered showers. Highs around
92. Temperature falling in the afternoon. Chance of rain
40 percent.
.THURSDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.FRIDAY...Variably cloudy with scattered showers. Highs around
92. Temperature falling in the afternoon. Chance of rain
40 percent.
.FRIDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 30 percent.
.SATURDAY...Variably cloudy with scattered showers in the
morning, then partly cloudy with isolated showers in the
afternoon. Highs around 92. Temperature falling in the afternoon.
Chance of rain 30 percent.

$$

VIZ001-200800-
St Thomas, St John and Adjacent Islands-
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Partly cloudy early this evening, then becoming
variably cloudy. Scattered showers. Lows around 83. East winds
around 10 mph. Chance of rain 40 percent.
.SUNDAY...Variably cloudy with scattered showers. Highs around
92. Southeast winds around 10 mph. Chance of rain 40 percent.
.SUNDAY NIGHT...Variably cloudy with scattered showers in the
evening, then partly cloudy with isolated showers after midnight.
Lows around 83. Southeast winds around 10 mph. Chance of rain
40 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Southeast winds 10 to 15 mph. Chance of rain
50 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. East winds 10 to 15 mph. Chance of rain 20 percent.
.TUESDAY...Partly cloudy with isolated showers. Highs around 92.
Chance of rain 20 percent.
.TUESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 30 percent.
.WEDNESDAY...Partly cloudy with isolated showers. Highs around
92. Chance of rain 20 percent.
.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 30 percent.
.THURSDAY...Variably cloudy with scattered showers. Highs around
92. Chance of rain 40 percent.
.THURSDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.FRIDAY...Variably cloudy with scattered showers in the morning,
then partly cloudy with isolated showers in the afternoon. Highs
around 92. Chance of rain 40 percent.
.FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.SATURDAY...Partly cloudy with isolated showers. Highs around 92.
Chance of rain 20 percent.

$$

VIZ002-200800-
St Croix-
243 PM AST Sat Sep 19 2026

...HEAT ADVISORY IN EFFECT UNTIL 5 PM AST THIS AFTERNOON...

.TONIGHT...Variably cloudy until early morning, then becoming
mostly cloudy. Scattered showers. Lows around 83. East winds 5 to
10 mph. Chance of rain 50 percent.
.SUNDAY...Variably cloudy with scattered showers. Highs around
92. Southeast winds around 10 mph. Chance of rain 50 percent.
.SUNDAY NIGHT...Partly cloudy. Scattered showers, mainly in the
evening. Lows around 83. East winds around 10 mph. Chance of rain
30 percent.
.MONDAY...Partly cloudy with isolated showers in the morning,
then variably cloudy with scattered showers in the afternoon.
Highs around 92. Southeast winds 10 to 15 mph. Chance of rain
40 percent.
.MONDAY NIGHT...Partly cloudy with isolated showers in the
evening, then variably cloudy with scattered showers after
midnight. Lows around 83. East winds 10 to 15 mph. Chance of rain
40 percent.
.TUESDAY...Partly cloudy with isolated showers. Highs around 92.
Chance of rain 20 percent.
.TUESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 30 percent.
.WEDNESDAY...Partly cloudy with isolated showers. Highs around
92. Chance of rain 20 percent.
.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 30 percent.
.THURSDAY...Variably cloudy with scattered showers. Highs around
92. Chance of rain 40 percent.
.THURSDAY NIGHT...Variably cloudy with scattered showers. Lows
around 83. Chance of rain 40 percent.
.FRIDAY...Variably cloudy with scattered showers in the morning,
then partly cloudy with isolated showers in the afternoon. Highs
around 92. Chance of rain 30 percent.
.FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around
83. Chance of rain 20 percent.
.SATURDAY...Variably cloudy with scattered showers in the
morning, then partly cloudy with isolated showers in the
afternoon. Highs around 92. Chance of rain 30 percent.

$$