News Headlines
- New: RGV Summer (June-August) Weather and Climate Summary - Early Rain Gives Way to Brutal El Nino-Driven Heat, Drought
- New: September-November 2026 Outlook - Warmer Than Normal Conditions Favored; Precipitation A Toss-Up, But Could Trend Wetter Later This Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- Rapid-Onset (Flash) Drought Continues to Increase Across the RGV/Deep S. Texas Ranchlands. Click Here for Details.
- The 2026 Atlantic Hurricane Season is Fading...but is not Over Yet. Are You Ready? Know Your Risk, Check Your Plans, Restock Your Kits, and More
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Partly Cloudy
89°F
32°C
| Humidity | 70% |
| Wind Speed | SE 20 mph |
| Barometer | 29.87 in (1011.4 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 103°F (39°C) |
| Last update | 2 Sep 6:53 pm CDT |
Extended Forecast for
Los Fresnos TX
Tonight

Low: 81 °F
Mostly Clear
Thursday

High: 101 °F
Hot
Thursday Night

Low: 81 °F
Mostly Clear
Friday

High: 100 °F
Hot
Friday Night

Low: 80 °F
Mostly Clear
Saturday
High: 100 °F
Mostly Sunny
then Slight
Chance
T-stormsSaturday Night

Low: 79 °F
Mostly Clear
Sunday
High: 99 °F
Mostly Sunny
then Slight
Chance
T-stormsSunday Night

Low: 80 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 81. Southeast wind 9 to 17 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny and hot, with a high near 101. Heat index values as high as 112. South southeast wind 8 to 17 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 81. Southeast wind 8 to 17 mph, with gusts as high as 25 mph.
Friday
Mostly sunny and hot, with a high near 100. Heat index values as high as 111. South southeast wind 7 to 16 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 80. South southeast wind 6 to 15 mph, with gusts as high as 22 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. South southeast wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 79. East southeast wind 5 to 14 mph, with gusts as high as 21 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 99. Light south southeast wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 80. Southeast wind 5 to 14 mph, with gusts as high as 21 mph.
Labor Day
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 99. Light south southeast wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 79. South southeast wind 6 to 14 mph, with gusts as high as 21 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly 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
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Los Fresnos TX
26.08°N 97.49°W
26.08°N 97.49°W
7:18 pm CDT Sep 2, 2026
7pm CDT Sep 2, 2026-6pm CDT Sep 9, 2026


