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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.

Partly Cloudy and Breezy

92°F

33°C

Humidity	62%
Wind Speed	SE 21 mph
Barometer	29.88 in (1011.8 mb)
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	106°F (41°C)
Last update	12 Oct 3:52 pm CDT

More Information:

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

Extended Forecast for

Raymondville TX

Columbus Day
High: 94 °F
Mostly Sunny
Tonight
Low: 76 °F
Mostly Clear
Tuesday
High: 95 °F
Sunny
Tuesday Night
Low: 77 °F
Increasing
Clouds
Wednesday
High: 93 °F
Sunny
Wednesday Night
Low: 74 °F
Mostly Clear
Thursday
High: 90 °F
Sunny
Thursday Night
Low: 71 °F
Mostly Clear
Friday
High: 88 °F
Chance
Showers and
Breezy

Detailed Forecast

Columbus Day

Mostly sunny, with a high near 94. Heat index values as high as 106. Southeast wind around 14 mph, with gusts as high as 24 mph.

Tonight

Mostly clear, with a low around 76. Southeast wind 8 to 10 mph, with gusts as high as 23 mph.

Tuesday

Sunny, with a high near 95. Heat index values as high as 108. South southeast wind 9 to 16 mph, with gusts as high as 28 mph.

Tuesday Night

Increasing clouds, with a low around 77. Southeast wind 9 to 13 mph, with gusts as high as 26 mph.

Wednesday

Sunny, with a high near 93. Southeast wind 9 to 17 mph, with gusts as high as 28 mph.

Wednesday Night

Mostly clear, with a low around 74. Southeast wind 9 to 15 mph, with gusts as high as 26 mph.

Thursday

Sunny, with a high near 90. East southeast wind 7 to 13 mph, with gusts as high as 23 mph.

Thursday Night

Mostly clear, with a low around 71. East wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.

Friday

A chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 88. Breezy, with a north northeast wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

Friday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. Breezy, with a north wind 13 to 21 mph, with gusts as high as 43 mph.

Saturday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Breezy, with a north wind 14 to 21 mph, with gusts as high as 39 mph.

Saturday Night

A 20 percent chance of showers. Partly cloudy, with a low around 65.

Sunday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.