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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.

Overcast

79°F

26°C

Humidity	82%
Wind Speed	SE 14 mph
Barometer	30.08 in (1018.4 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	13 Apr 10:52 am CDT

More Information:

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

Extended Forecast for

Harlingen, Rio Grande Valley International Airport TX

Today
High: 88 °F
Partly Sunny
and Breezy
Tonight
Low: 69 °F
Partly Cloudy
and Breezy
then Mostly
Cloudy
Tuesday
High: 89 °F
Partly Sunny
and Breezy
Tuesday Night
Low: 69 °F
Partly Cloudy
and Breezy
then Mostly
Cloudy
Wednesday
High: 89 °F
Partly Sunny
and Breezy
Wednesday Night
Low: 69 °F
Partly Cloudy
and Breezy
then Mostly
Cloudy
Thursday
High: 90 °F
Mostly Sunny
and Breezy
Thursday Night
Low: 70 °F
Partly Cloudy
Friday
High: 90 °F
Partly Sunny
and Breezy

Detailed Forecast

Today

Partly sunny, with a high near 88. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 31 mph.

Tonight

Increasing clouds, with a low around 69. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 25 mph.

Tuesday

Partly sunny, with a high near 89. Breezy, with a south southeast wind 14 to 23 mph, with gusts as high as 34 mph.

Tuesday Night

Increasing clouds, with a low around 69. Breezy, with a southeast wind 15 to 21 mph, with gusts as high as 29 mph.

Wednesday

Partly sunny, with a high near 89. Breezy, with a south southeast wind 14 to 23 mph, with gusts as high as 33 mph.

Wednesday Night

Mostly cloudy, with a low around 69. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 25 mph.

Thursday

Mostly sunny, with a high near 90. 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 31 mph.

Thursday Night

Partly cloudy, with a low around 70. Southeast wind 14 to 17 mph, with gusts as high as 26 mph.

Friday

Partly sunny, with a high near 90. Breezy, with a south southeast wind 14 to 23 mph, with gusts as high as 39 mph.

Friday Night

Mostly cloudy, with a low around 70. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 31 mph.

Saturday

Mostly cloudy, with a high near 90. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 30 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

Sunday

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.