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New: Microburst(s) Cause Damage to Structures, Power Poles, and Trees in Hidalgo County, June 12th, 2025
New: Spring (March to May) 2025 RGV Weather Summary: A State of Heat and Drought, Broken by a Devastating Flood
Summer 2025 Outlook - The Heat Is On, Water Resource Issues May Worsen, and Limited Opportunities for Tropical Rains
Check Out the 2025 Rio Grande Valley/Deep South Texas Hurricane Guide
Guia de Huracanes 2025 del Valle del Rio Grande/Extremo Sur de Texas
Take Advantage of May (and June) to Be Ready for the 2025 Atlantic Hurricane Season!

Current conditions at

Port Isabel, Port Isabel-Cameron County Airport (KPIL)

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Fair

79°F

26°C

Humidity	97%
Wind Speed	SE 8 mph
Barometer	29.97 in (1014.8 mb)
Dewpoint	78°F (26°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	21 Jun 9:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

6 Miles SE Port Isabel TX

Tonight
Low: 80 °F
Slight Chance
T-storms then
Partly Cloudy
Sunday
High: 84 °F
Sunny then
Slight Chance
T-storms
Sunday Night
Low: 80 °F
Slight Chance
T-storms then
Slight Chance
Showers
Monday
High: 83 °F
Slight Chance
T-storms
Monday Night
Low: 79 °F
Mostly Clear
then Slight
Chance
T-storms
Tuesday
High: 83 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 79 °F
Slight Chance
T-storms
Wednesday
High: 83 °F
Chance
T-storms
Wednesday Night
Low: 80 °F
Partly Cloudy
then Slight
Chance
T-storms

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms between 11pm and midnight. Partly cloudy, with a low around 80. Southeast wind around 14 mph. Chance of precipitation is 20%.

Sunday

A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 84. Southeast wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Sunday Night

A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 80. Southeast wind 10 to 14 mph. Chance of precipitation is 20%.

Monday

A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 4pm, then a slight chance of showers after 4pm. Sunny, with a high near 83. East southeast wind 9 to 14 mph. Chance of precipitation is 20%.

Monday Night

A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 79. East southeast wind 6 to 13 mph. Chance of precipitation is 20%.

Tuesday

A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 83. East southeast wind 6 to 11 mph. Chance of precipitation is 40%.

Tuesday Night

A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79. East southeast wind 6 to 10 mph. Chance of precipitation is 20%.

Wednesday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. East southeast wind 6 to 11 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 80. Southeast wind 7 to 10 mph.

Thursday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. East southeast wind 6 to 11 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 80. East southeast wind 7 to 10 mph.

Friday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Friday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.