National Weather Service

News Headlines

Rapid-Onset (Flash) Drought Continues to Worsen Across the RGV/Deep S. Texas Ranchlands. Click Here for Details.
RGV Summer (June-August) Weather and Climate Summary - Early Rain Gives Way to Brutal El Nino-Driven Heat, Drought
New: September-November 2026 Outlook - Warmer Than Normal Conditions Favored; Precipitation A Toss-Up, But Could Trend Wetter Later This Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
The 2026 Atlantic Hurricane Season is Fading...but is not Over Yet. 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.

Fair

76°F

24°C

Humidity	91%
Wind Speed	N 5 mph
Barometer	29.95 in (1014.1 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	26 Sep 7:52 am CDT

More Information:

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

Extended Forecast for

San Benito TX

Today
High: 96 °F
Slight Chance
Showers then
Chance
T-storms
Tonight
Low: 77 °F
Mostly Clear
Sunday
High: 98 °F
Increasing
Clouds
Sunday Night
Low: 76 °F
Partly Cloudy
Monday
High: 97 °F
Sunny then
Chance
T-storms
Monday Night
Low: 77 °F
Partly Cloudy
Tuesday
High: 98 °F
Mostly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 79 °F
Partly Cloudy
and Breezy
Wednesday
High: 98 °F
Breezy.
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly before 2pm. Increasing clouds, with a high near 96. Heat index values as high as 107. Light northeast wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

Tonight

Mostly clear, with a low around 77. East wind 6 to 11 mph becoming light southeast in the evening.

Sunday

Increasing clouds, with a high near 98. Heat index values as high as 106. Light east wind increasing to 5 to 10 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around 76. East southeast wind 6 to 11 mph becoming light southeast after midnight. Winds could gust as high as 20 mph.

Monday

A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Light southeast wind becoming east southeast 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

Monday Night

Partly cloudy, with a low around 77. East southeast wind 7 to 13 mph, with gusts as high as 22 mph.

Tuesday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. South southeast wind 7 to 16 mph, with gusts as high as 29 mph.

Tuesday Night

Partly cloudy, with a low around 79. Breezy, with a southeast wind around 18 mph, with gusts as high as 31 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Breezy, with a south southeast wind 17 to 20 mph, with gusts as high as 36 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. Breezy, with a south southeast wind 13 to 21 mph, with gusts as high as 32 mph.

Thursday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. South southeast wind 13 to 15 mph, with gusts as high as 29 mph.

Thursday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.

Friday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.