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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!
- Hot, Windy, and Rain-Free Weather Since Late June Brought on a Rapid-Onset Drought to Portions of the RGV in Early August
- 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
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fair
82°F
28°C
| Humidity | 79% |
| Wind Speed | SE 6 mph |
| Barometer | 29.98 in (1015.1 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 26 Aug 10:53 pm CDT |
Extended Forecast for
4 Miles ESE Los Fresnos TX
Tonight
Low: 79 °F
Mostly Clear
Thursday
High: 98 °F
Sunny
Thursday Night
Low: 79 °F
Mostly Clear
Friday
High: 98 °F
Sunny
Friday Night
Low: 79 °F
Mostly Clear
Saturday
High: 97 °F
Sunny then
Chance
T-stormsSaturday Night
Low: 79 °F
Mostly Clear
Sunday
High: 98 °F
Sunny then
Slight Chance
T-stormsSunday Night
Low: 80 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 79. South wind 5 to 7 mph.
Thursday
Sunny, with a high near 98. Heat index values as high as 108. Light south wind becoming east southeast 9 to 14 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 79. Southeast wind 5 to 14 mph.
Friday
Sunny, with a high near 98. Heat index values as high as 107. Light south wind becoming east southeast 9 to 14 mph in the morning.
Friday Night
Mostly clear, with a low around 79. East southeast wind 8 to 13 mph becoming light south southeast after midnight.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Light southeast wind becoming east southeast 9 to 14 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 79. South southeast wind 5 to 11 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 98. Light south southeast wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 80. Southeast wind 8 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 98. South southeast wind 7 to 17 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 80. South southeast wind 7 to 16 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles ESE Los Fresnos TX
26.06°N 97.42°W
26.06°N 97.42°W
11:30 pm CDT Aug 26, 2026
11pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026
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