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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.

A Few Clouds and Breezy

90°F

32°C

Humidity	66%
Wind Speed	SE 21 mph
Barometer	29.88 in (1011.5 mb)
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	13 Oct 5:52 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

San Benito TX

Tonight
Low: 78 °F
Mostly Clear
Wednesday
High: 94 °F
Mostly Sunny
Wednesday Night
Low: 75 °F
Mostly Clear
Thursday
High: 92 °F
Sunny
Thursday Night
Low: 73 °F
Mostly Clear
Friday
High: 88 °F
Slight Chance
Showers then
Chance
T-storms and
Breezy
Friday Night
Low: 66 °F
Chance
Showers and
Breezy
Saturday
High: 78 °F
Chance
Showers and
Breezy
Saturday Night
Low: 64 °F
Slight Chance
Showers

Detailed Forecast

Tonight

Mostly clear, with a low around 78. South southeast wind 9 to 17 mph, with gusts as high as 29 mph.

Wednesday

Mostly sunny, with a high near 94. Heat index values as high as 106. Southeast wind 10 to 17 mph, with gusts as high as 30 mph.

Wednesday Night

Mostly clear, with a low around 75. Southeast wind 9 to 16 mph, with gusts as high as 26 mph.

Thursday

Sunny, with a high near 92. East southeast wind 7 to 13 mph, with gusts as high as 22 mph.

Thursday Night

Mostly clear, with a low around 73. East wind 5 to 10 mph becoming light and variable in the evening.

Friday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Breezy, with a north northeast wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Breezy, with a north northeast wind 16 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 40%.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 78. Breezy, with a north wind 17 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.

Saturday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 64. North wind 9 to 13 mph, with gusts as high as 25 mph.

Sunday

A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. North northeast wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Sunday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 68. Northeast wind 5 to 10 mph becoming light north.

Monday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

Monday Night

A 20 percent chance of showers. Partly cloudy, with a low around 73.

Tuesday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.