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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

80°F

27°C

Humidity	62%
Wind Speed	SE 20 mph
Barometer	29.91 in (1012.8 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	31 Mar 6:52 pm CDT

More Information:

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

Extended Forecast for

Harlingen TX

Tonight
Low: 70 °F
Partly Cloudy
Wednesday
High: 91 °F
Becoming
Sunny and
Breezy
Wednesday Night
Low: 72 °F
Increasing
Clouds
Thursday
High: 91 °F
Partly Sunny
and Breezy
Thursday Night
Low: 72 °F
Mostly Cloudy
Friday
High: 91 °F
Partly Sunny
then Mostly
Sunny and
Breezy
Friday Night
Low: 71 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Saturday
High: 92 °F
Partly Sunny
then Slight
Chance
T-storms
Saturday Night
Low: 62 °F
Showers
Likely

Detailed Forecast

Tonight

Partly cloudy, with a low around 70. Southeast wind 9 to 16 mph, with gusts as high as 25 mph.

Wednesday

Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 33 mph.

Wednesday Night

Increasing clouds, with a low around 72. Southeast wind 15 to 17 mph, with gusts as high as 30 mph.

Thursday

Partly sunny, with a high near 91. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 32 mph.

Thursday Night

Mostly cloudy, with a low around 72. South southeast wind 13 to 16 mph, with gusts as high as 28 mph.

Friday

Mostly sunny, with a high near 91. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 34 mph.

Friday Night

Mostly cloudy, with a low around 71. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 31 mph.

Saturday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Southeast wind 11 to 16 mph, with gusts as high as 26 mph.

Saturday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. East southeast wind 9 to 15 mph becoming north northeast after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

Sunday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 73. North wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

Sunday Night

A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 56. North northwest wind 9 to 13 mph, with gusts as high as 22 mph.

Monday

A 40 percent chance of showers. Mostly cloudy, with a high near 72.

Monday Night

Partly cloudy, with a low around 55.

Tuesday

Mostly sunny, with a high near 78.