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

71°F

22°C

Humidity	76%
Wind Speed	SE 13 mph
Barometer	29.98 in (1015.0 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	2 Mar 7:52 pm CST

More Information:

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

Extended Forecast for

Harlingen TX

Tonight
Low: 65 °F
Partly Cloudy
Tuesday
High: 88 °F
Mostly Sunny
then Sunny
and Breezy
Tuesday Night
Low: 70 °F
Increasing
Clouds
Wednesday
High: 88 °F
Decreasing
Clouds and
Breezy
Wednesday Night
Low: 71 °F
Increasing
Clouds
Thursday
High: 88 °F
Decreasing
Clouds and
Breezy
Thursday Night
Low: 70 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Friday
High: 89 °F
Mostly Sunny
and Breezy
Friday Night
Low: 70 °F
Mostly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 65. South southeast wind 7 to 10 mph.

Tuesday

Mostly sunny, with a high near 88. Breezy, with a south southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 32 mph.

Tuesday Night

Increasing clouds, with a low around 70. Southeast wind 10 to 17 mph, with gusts as high as 29 mph.

Wednesday

Mostly cloudy, then gradually becoming sunny, with a high near 88. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.

Wednesday Night

Increasing clouds, with a low around 71. South southeast wind 11 to 17 mph, with gusts as high as 29 mph.

Thursday

Mostly cloudy, then gradually becoming sunny, with a high near 88. Breezy, with a south southeast wind 11 to 21 mph, with gusts as high as 36 mph.

Thursday Night

Mostly cloudy, with a low around 70. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 30 mph.

Friday

Mostly sunny, with a high near 89. Breezy, with a south southeast wind 15 to 21 mph, with gusts as high as 36 mph.

Friday Night

Mostly cloudy, with a low around 70. South southeast wind 13 to 17 mph, with gusts as high as 29 mph.

Saturday

Partly sunny, with a high near 90. South southeast wind 13 to 17 mph, with gusts as high as 28 mph.