National Weather Service

News Headlines

New: March-May (Spring 2026) Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, wildfire potential, water supply, and heat risk concerns are in focus
The Potential for Wildfire Spread Will Remain Acute through Early March. Stop Wildfires Before they Start with Smokey Bear
El riesgo de propagación de incendios forestales aumenta durante marzo. Revise estas medidas de prevención.
Drought is Worsening and Increasing in Coverage Across the Area as We Head into Spring. Track Its Coverage Here.

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

73°F

23°C

Humidity	81%
Wind Speed	SE 13 mph
Barometer	30.04 in (1017.0 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	1 Mar 8:52 am CST

More Information:

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

Extended Forecast for

Harlingen TX

Today
High: 86 °F
Becoming
Sunny
Tonight
Low: 65 °F
Partly Cloudy
Monday
High: 87 °F
Sunny
Monday Night
Low: 67 °F
Mostly Clear
Tuesday
High: 88 °F
Mostly Sunny
then Sunny
and Breezy
Tuesday Night
Low: 69 °F
Increasing
Clouds
Wednesday
High: 88 °F
Mostly Sunny
and Breezy
Wednesday Night
Low: 69 °F
Mostly Cloudy
Thursday
High: 88 °F
Mostly Sunny
and Breezy

Detailed Forecast

Today

Partly sunny, then gradually becoming sunny, with a high near 86. Southeast wind 8 to 15 mph, with gusts as high as 24 mph.

Tonight

Partly cloudy, with a low around 65. Southeast wind 7 to 14 mph, with gusts as high as 23 mph.

Monday

Sunny, with a high near 87. South southeast wind 6 to 14 mph, with gusts as high as 24 mph.

Monday Night

Mostly clear, with a low around 67. Southeast wind 8 to 14 mph, with gusts as high as 22 mph.

Tuesday

Mostly sunny, with a high near 88. Breezy, with a south southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.

Tuesday Night

Increasing clouds, with a low around 69. Southeast wind 10 to 17 mph, with gusts as high as 30 mph.

Wednesday

Mostly sunny, with a high near 88. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 33 mph.

Wednesday Night

Mostly cloudy, with a low around 69. South southeast wind 11 to 16 mph, with gusts as high as 28 mph.

Thursday

Mostly sunny, with a high near 88. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 33 mph.

Thursday Night

Mostly cloudy, with a low around 69. South southeast wind 13 to 16 mph, with gusts as high as 28 mph.

Friday

Partly sunny, with a high near 89. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 33 mph.