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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!
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.

Overcast

76°F

24°C

Humidity	97%
Wind Speed	N 9 mph
Barometer	29.84 in (1010.4 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	75°F (24°C)
Last update	7 Oct 6:52 am CDT

More Information:

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

Extended Forecast for

8 Miles S San Perlita TX

Today
High: 90 °F
Showers
Likely
Tonight
Low: 72 °F
Chance
Showers then
Mostly Clear
Thursday
High: 91 °F
Chance
T-storms
Thursday Night
Low: 72 °F
Clear
Friday
High: 91 °F
Chance
Showers
Friday Night
Low: 70 °F
Mostly Clear
Saturday
High: 91 °F
Mostly Sunny
Saturday Night
Low: 71 °F
Partly Cloudy
Sunday
High: 90 °F
Mostly Sunny

Detailed Forecast

Today

Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 72. Northeast wind 5 to 11 mph, with gusts as high as 21 mph.

Thursday

A 40 percent chance of showers and thunderstorms, mainly before 3pm. Sunny, with a high near 91. Northeast wind 9 to 16 mph, with gusts as high as 25 mph.

Thursday Night

Clear, with a low around 72. Northeast wind 5 to 11 mph, with gusts as high as 21 mph.

Friday

A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Sunny, with a high near 91. North northeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

Friday Night

Mostly clear, with a low around 70. North northeast wind 5 to 10 mph becoming light. Winds could gust as high as 20 mph.

Saturday

Mostly sunny, with a high near 91. North northeast wind around 8 mph.

Saturday Night

Partly cloudy, with a low around 71. East northeast wind 5 to 7 mph becoming calm in the evening.

Sunday

Mostly sunny, with a high near 90. Light east wind increasing to 5 to 10 mph in the afternoon.

Sunday Night

A 20 percent chance of showers after 1am. Partly cloudy, with a low around 74. East wind 5 to 9 mph becoming light east southeast in the evening.

Columbus Day

A 30 percent chance of showers. Mostly sunny, with a high near 92. Light southeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

Monday Night

Partly cloudy, with a low around 75.

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.