


News Headlines
- New: August-October Outlook for the RGV - Continued Hot and Leaning Dry, but Rainfall Prediction is a Wild Card
- Know Before You Go: A Video Guide to Beach (Surf) Safety on the Gulf Coast
- 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
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
A Few Clouds
91°F
33°C
Humidity | 57% |
Wind Speed | SE 7 mph |
Barometer | 30.04 in (1017.3 mb) |
Dewpoint | 74°F (23°C) |
Visibility | 10.00 mi |
Heat Index | 100°F (38°C) |
Last update | 5 Aug 12:52 pm CDT |
Extended Forecast for
Sebastian TX
This Afternoon
High: 96 °F
Chance
T-stormsTonight
Low: 76 °F
Partly Cloudy
Wednesday
High: 98 °F
Sunny then
Slight Chance
T-stormsWednesday Night
Low: 77 °F
Mostly Clear
Thursday
High: 98 °F
Sunny
Thursday Night
Low: 76 °F
Mostly Clear
Friday
High: 99 °F
Sunny
Friday Night
Low: 76 °F
Clear
Saturday
High: 97 °F
Sunny
Detailed Forecast
This Afternoon
A 40 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 96. Heat index values as high as 106. East wind 7 to 10 mph.
Tonight
Partly cloudy, with a low around 76. East southeast wind 5 to 10 mph becoming light south southeast after midnight.
Wednesday
A slight chance of showers and thunderstorms between 1pm and 3pm. Sunny, with a high near 98. Heat index values as high as 107. Light southeast wind becoming east southeast 6 to 11 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 77. Southeast wind 5 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 98. Light southeast wind becoming east southeast 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 76. Southeast wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 99. South southeast wind 5 to 11 mph.
Friday Night
Clear, with a low around 76. East southeast wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 97. Southeast wind 5 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 76. South southeast wind 6 to 14 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 97. Southeast wind 5 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 77.
Monday
A 20 percent chance of showers and thunderstorms. 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:
Sebastian TX
26.35°N 97.8°W
26.35°N 97.8°W
1:18 pm CDT Aug 5, 2025
1pm CDT Aug 5, 2025-6pm CDT Aug 11, 2025