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New: April-June 2026 Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues are 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	88%
Wind Speed	SE 14 mph
Barometer	29.93 in (1013.5 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	15 Apr 8:52 am CDT

More Information:

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

Extended Forecast for

Harlingen TX

Today
High: 88 °F
Partly Sunny
and Breezy
Tonight
Low: 72 °F
Mostly Cloudy
Thursday
High: 90 °F
Mostly Sunny
Thursday Night
Low: 73 °F
Increasing
Clouds
Friday
High: 90 °F
Mostly Sunny
and Breezy
Friday Night
Low: 73 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Saturday
High: 90 °F
Mostly Cloudy
Saturday Night
Low: 66 °F
Chance
Showers then
Chance
T-storms
Sunday
High: 75 °F
Showers
Likely

Detailed Forecast

Today

Partly sunny, with a high near 88. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 32 mph.

Tonight

Mostly cloudy, with a low around 72. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday

Mostly sunny, with a high near 90. South southeast wind 9 to 17 mph, with gusts as high as 29 mph.

Thursday Night

Increasing clouds, with a low around 73. Southeast wind 11 to 15 mph, with gusts as high as 25 mph.

Friday

Mostly sunny, with a high near 90. Breezy, with a south southeast wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph.

Friday Night

Mostly cloudy, with a low around 73. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 30 mph.

Saturday

Mostly cloudy, with a high near 90. South southeast wind 14 to 17 mph, with gusts as high as 29 mph.

Saturday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East southeast wind 10 to 14 mph becoming north northeast after midnight. Winds could gust as high as 22 mph.

Sunday

Showers likely and possibly a thunderstorm. Cloudy, with a high near 75. North northeast wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

Sunday Night

A chance of showers and thunderstorms. Cloudy, with a low around 64. Northeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

Monday

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. North wind 8 to 13 mph becoming east in the afternoon. Winds could gust as high as 23 mph.

Monday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 66.

Tuesday

Mostly cloudy, with a high near 83.