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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: Hot, Windy, and Rain-Free Weather Since Late June Brought on a Rapid-Onset Drought to Portions of the RGV in Early August
New: August-October 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected To Continue; Could Turn Wetter Towards The Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
Notice: Rio Grande City NOAA Weather Radio Remains Out of Service Until Further Notice
Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas
The 2026 Hurricane Season is Here! Are You Ready? Know Your Risk, Check Your Plans, Restock Your Kits, and More

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Mostly Cloudy and Breezy

101°F

38°C

Humidity	38%
Wind Speed	S 22 G 28 mph
Barometer	29.99 in (1015.3 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	110°F (43°C)
Last update	11 Aug 2:52 pm CDT

More Information:

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

Extended Forecast for

San Benito TX

This Afternoon
High: 99 °F
Sunny
Tonight
Low: 79 °F
Mostly Clear
Wednesday
High: 99 °F
Sunny then
Sunny and
Breezy
Wednesday Night
Low: 80 °F
Mostly Clear
and Breezy
then Mostly
Clear
Thursday
High: 98 °F
Sunny then
Sunny and
Breezy
Thursday Night
Low: 80 °F
Mostly Clear
and Breezy
then Mostly
Clear
Friday
High: 98 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 80 °F
Partly Cloudy
Saturday
High: 98 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 99. Heat index values as high as 109. Southeast wind around 16 mph, with gusts as high as 25 mph.

Tonight

Mostly clear, with a low around 79. South southeast wind 9 to 16 mph, with gusts as high as 24 mph.

Wednesday

Sunny, with a high near 99. Heat index values as high as 107. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 31 mph.

Wednesday Night

Mostly clear, with a low around 80. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 30 mph.

Thursday

Sunny, with a high near 98. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 31 mph.

Thursday Night

Mostly clear, with a low around 80. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 31 mph.

Friday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Southeast wind 11 to 17 mph, with gusts as high as 29 mph.

Friday Night

Partly cloudy, with a low around 80. Southeast wind 9 to 17 mph, with gusts as high as 28 mph.

Saturday

Mostly sunny, with a high near 98. Southeast wind 8 to 15 mph, with gusts as high as 24 mph.

Saturday Night

Mostly clear, with a low around 78. East southeast wind 5 to 15 mph, with gusts as high as 24 mph.

Sunday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 98. Light east southeast wind becoming east 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

Sunday Night

Mostly clear, with a low around 78.

Monday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 98.