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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!
- October 1-7 Rainfall Improves Long-Term Drought, but Severe to Extreme Conditions Remain for Some. Click Here for Details.
- New: October-December2026 Outlook - After a brutally hot and dry September, October brings the pattern change to wetter and less hot, with above average rainfall to close out 2026; flash flooding, water supply, & hazardous marine conditions in focus
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Fair
81°F
27°C
| Humidity | 91% |
| Wind Speed | SE 9 mph |
| Barometer | 29.95 in (1014.0 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 13 Oct 11:52 pm CDT |
Extended Forecast for
Sebastian TX
Overnight

Low: 77 °F
Mostly Clear
Wednesday
High: 93 °F
Sunny then
Slight Chance
T-storms and
BreezyWednesday Night

Low: 72 °F
Mostly Clear
Thursday

High: 91 °F
Mostly Sunny
Thursday Night

Low: 72 °F
Mostly Clear
Friday
High: 87 °F
Slight Chance
Showers then
Chance
Showers and
BreezyFriday Night

Low: 65 °F
Chance
Showers and
BreezySaturday

High: 77 °F
Chance
Showers and
BreezySaturday Night

Low: 63 °F
Slight Chance
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 77. Southeast wind 10 to 14 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 72. Southeast wind 9 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 91. East southeast wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 72. East wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Breezy, with a north northeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Breezy, with a north northeast wind 15 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 77. Breezy, with a north wind 16 to 22 mph, with gusts as high as 41 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 63. North wind 5 to 10 mph, with gusts as high as 24 mph.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 81. North wind 9 to 11 mph, with gusts as high as 24 mph.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 67. North wind 3 to 8 mph.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sebastian TX
26.35°N 97.8°W
26.35°N 97.8°W
12:20 am CDT Oct 14, 2026
12am CDT Oct 14, 2026-6pm CDT Oct 20, 2026


