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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.

Mostly Cloudy

73°F

23°C

Humidity	94%
Wind Speed	SE 9 mph
Barometer	29.93 in (1013.3 mb)
Dewpoint	71°F (22°C)
Visibility	8.00 mi
Last update	1 Apr 7:52 am CDT

More Information:

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

Extended Forecast for

Harlingen TX

Today
High: 91 °F
Becoming
Sunny and
Breezy
Tonight
Low: 71 °F
Increasing
Clouds
Thursday
High: 91 °F
Mostly Sunny
and Breezy
Thursday Night
Low: 72 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Friday
High: 91 °F
Decreasing
Clouds and
Breezy
Friday Night
Low: 72 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Saturday
High: 92 °F
Partly Sunny
then Slight
Chance
Showers
Saturday Night
Low: 65 °F
Showers
Likely
Sunday
High: 77 °F
Showers
Likely

Detailed Forecast

Today

Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 32 mph.

Tonight

Increasing clouds, with a low around 71. Southeast wind 15 to 17 mph, with gusts as high as 29 mph.

Thursday

Mostly sunny, with a high near 91. Breezy, with a south southeast wind 16 to 21 mph, with gusts as high as 34 mph.

Thursday Night

Mostly cloudy, with a low around 72. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 30 mph.

Friday

Mostly cloudy, then gradually becoming sunny, with a high near 91. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 36 mph.

Friday Night

Mostly cloudy, with a low around 72. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 33 mph.

Saturday

A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 92. Southeast wind 13 to 16 mph, with gusts as high as 26 mph.

Saturday Night

A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. East southeast wind 7 to 14 mph becoming northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%.

Sunday

Showers likely and possibly a thunderstorm. Cloudy, with a high near 77. North northeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

Sunday Night

A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 57. North northwest wind 9 to 13 mph, with gusts as high as 21 mph.

Monday

A 40 percent chance of showers. Mostly cloudy, with a high near 71. North northwest wind around 10 mph.

Monday Night

Mostly cloudy, with a low around 58.

Tuesday

A 20 percent chance of showers. Mostly cloudy, with a high near 75.