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- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- New: Hot, Windy, and Rain-Free Weather Since Late June Brought on a Rapid-Onset Drought to Portions of the RGV in Early August
- New: August-October 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected To Continue; Could Turn Wetter Towards The Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas
Hazardous Weather Conditions
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
A Few Clouds
91°F
33°C
| Humidity | 64% |
| Wind Speed | SE 17 mph |
| Barometer | 30.04 in (1017.3 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 105°F (41°C) |
| Last update | 16 Aug 4:53 pm CDT |
Extended Forecast for
4 Miles ESE Los Fresnos TXSimilar City Names
Tonight

Low: 78 °F
Mostly Clear
Monday
High: 96 °F
Sunny then
Slight Chance
T-stormsMonday Night

Low: 78 °F
Mostly Clear
Tuesday

High: 96 °F
Sunny
Tuesday Night

Low: 78 °F
Mostly Clear
Wednesday

High: 97 °F
Mostly Sunny
Wednesday Night

Low: 80 °F
Mostly Clear
Thursday

High: 98 °F
Sunny
Thursday Night

Low: 80 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 78. East southeast wind 10 to 15 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.
Monday
A slight chance of showers and thunderstorms between 1pm and 3pm. Sunny, with a high near 96. Heat index values as high as 107. Light east wind becoming east southeast 10 to 15 mph in the morning. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 78. South southeast wind 5 to 13 mph.
Tuesday
Sunny, with a high near 96. Heat index values as high as 106. Light south southeast wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 78. Southeast wind 6 to 14 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 97. Southeast wind 5 to 15 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 80. South southeast wind 8 to 15 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 98. South southeast wind 7 to 17 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 80. Southeast wind 8 to 16 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 98. South southeast wind 8 to 16 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 79. South southeast wind 8 to 15 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 98.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny, with a high near 98.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles ESE Los Fresnos TXSimilar City Names
26.06°N 97.42°W
26.06°N 97.42°W
5:30 pm CDT Aug 16, 2026
5pm CDT Aug 16, 2026-6pm CDT Aug 23, 2026



