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.

Mostly Cloudy

70°F

21°C

Humidity	87%
Wind Speed	SE 9 mph
Barometer	29.96 in (1014.5 mb)
Dewpoint	66°F (19°C)
Visibility	9.00 mi
Last update	27 Feb 11:52 pm CST

More Information:

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

Extended Forecast for

Harlingen TX

Overnight
Low: 64 °F
Patchy Fog
Saturday
High: 86 °F
Patchy Fog
then Sunny
Saturday Night
Low: 65 °F
Partly Cloudy
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 65 °F
Mostly Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 66 °F
Mostly Clear
Tuesday
High: 89 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Tuesday Night
Low: 69 °F
Mostly Cloudy

Detailed Forecast

Overnight

Patchy fog. Otherwise, mostly cloudy, with a low around 64. Light east southeast wind.

Saturday

Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Light east southeast wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

Saturday Night

Partly cloudy, with a low around 65. Southeast wind 6 to 13 mph, with gusts as high as 21 mph.

Sunday

Sunny, with a high near 86. Southeast wind 6 to 15 mph, with gusts as high as 25 mph.

Sunday Night

Mostly clear, 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. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.

Monday Night

Mostly clear, with a low around 66. Southeast wind 9 to 14 mph, with gusts as high as 24 mph.

Tuesday

Mostly sunny, with a high near 89. 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 34 mph.

Tuesday Night

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

Wednesday

Partly sunny, with a high near 87. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 33 mph.

Wednesday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 68. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday

Mostly sunny, with a high near 88. Breezy.

Thursday Night

Mostly cloudy, with a low around 69.

Friday

Partly sunny, with a high near 89. Breezy.