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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Light Rain

79°F

26°C

Humidity 84%
Wind Speed NE 10 mph
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Heat Index83°F (28°C)
Last update 4 Oct 2:56 pm AST
Extended Forecast for

Monserrate PR

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 93. Heat index values as high as 105. East wind around 14 mph. Chance of precipitation is 60%.

    High: 93 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 74. Southeast wind 3 to 8 mph. Chance of precipitation is 40%.

    Low: 74 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, mainly after noon. Partly sunny, with a high near 93. Heat index values as high as 109. Light east southeast wind becoming east northeast 11 to 16 mph in the morning. Chance of precipitation is 40%.

    High: 93 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 75. Southeast wind 3 to 8 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Isolated showers after noon. Sunny, with a high near 93. East northeast wind 6 to 13 mph. Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 76. East southeast wind 5 to 8 mph. Chance of precipitation is 10%.

    Low: 76 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Chance of precipitation is 40%.

    High: 89 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Partly cloudy, with a low around 74. Southeast wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 93. East wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 93 °F

    Mostly Sunny
    then
    Scattered
    Showers

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 93. Heat index values as high as 105. East wind around 14 mph. Chance of precipitation is 60%.
Tonight
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 74. Southeast wind 3 to 8 mph. Chance of precipitation is 40%.
Monday
Scattered showers, mainly after noon. Partly sunny, with a high near 93. Heat index values as high as 109. Light east southeast wind becoming east northeast 11 to 16 mph in the morning. Chance of precipitation is 40%.
Monday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 75. Southeast wind 3 to 8 mph. Chance of precipitation is 30%.
Tuesday
Isolated showers after noon. Sunny, with a high near 93. East northeast wind 6 to 13 mph. Chance of precipitation is 20%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 76. East southeast wind 5 to 8 mph. Chance of precipitation is 10%.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 74. Southeast wind 6 to 10 mph. Chance of precipitation is 30%.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 93. East wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 74.
Saturday
Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monserrate PR
 18.44°N 66.35°W (Elev. 144 ft)
Last Update:
3:41 pm AST Oct 4, 2026
Forecast Valid:
3pm AST Oct 4, 2026-6pm AST Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation