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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

80°F

27°C

Humidity	85%
Wind Speed	E 8 mph
Barometer	30.02 in (1016.5 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	11 Oct 8:52 am CDT

More Information:

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

Extended Forecast for

San Perlita TX

Today
High: 89 °F
Mostly Sunny
Tonight
Low: 76 °F
Partly Cloudy
Columbus Day
High: 93 °F
Mostly Sunny
Monday Night
Low: 77 °F
Mostly Clear
Tuesday
High: 93 °F
Mostly Sunny
Tuesday Night
Low: 77 °F
Mostly Clear
Wednesday
High: 92 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Wednesday Night
Low: 76 °F
Mostly Clear
Thursday
High: 89 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 89. East southeast wind 8 to 14 mph, with gusts as high as 22 mph.

Tonight

Partly cloudy, with a low around 76. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.

Columbus Day

Mostly sunny, with a high near 93. Heat index values as high as 107. Southeast wind 5 to 14 mph, with gusts as high as 23 mph.

Monday Night

Mostly clear, with a low around 77. South southeast wind 8 to 11 mph, with gusts as high as 22 mph.

Tuesday

Mostly sunny, with a high near 93. South southeast wind 8 to 16 mph, with gusts as high as 25 mph.

Tuesday Night

Mostly clear, with a low around 77. Southeast wind 10 to 14 mph, with gusts as high as 24 mph.

Wednesday

Mostly sunny, with a high near 92. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 28 mph.

Wednesday Night

Mostly clear, with a low around 76. Southeast wind 9 to 15 mph, with gusts as high as 26 mph.

Thursday

Sunny, with a high near 89. Southeast wind 9 to 15 mph, with gusts as high as 24 mph.

Thursday Night

Mostly clear, with a low around 73. East southeast wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 21 mph.

Friday

A 40 percent chance of showers. Mostly sunny, with a high near 86. Light east northeast wind becoming northeast 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

Friday Night

A 20 percent chance of showers. Partly cloudy, with a low around 68. Breezy.

Saturday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Breezy.