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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

77°F

25°C

Humidity	82%
Wind Speed	S 14 mph
Barometer	30.02 in (1016.4 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	12 Apr 7:52 pm 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

Tonight
Low: 70 °F
Slight Chance
T-storms and
Breezy then
Mostly Cloudy
Monday
High: 88 °F
Partly Sunny
and Breezy
Monday Night
Low: 70 °F
Partly Cloudy
and Breezy
then Mostly
Cloudy
Tuesday
High: 89 °F
Decreasing
Clouds 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
Mostly Cloudy
Thursday
High: 90 °F
Partly Sunny
then Mostly
Sunny and
Breezy
Thursday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 70. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 28 mph.

Monday

Partly sunny, with a high near 88. Breezy, with a southeast wind 11 to 21 mph, with gusts as high as 31 mph.

Monday Night

Increasing clouds, with a low around 70. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 26 mph.

Tuesday

Mostly cloudy, then gradually becoming 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 22 mph, with gusts as high as 30 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. Southeast wind 10 to 16 mph, with gusts as high as 24 mph.

Thursday

Mostly sunny, with a high near 90. Breezy, with a southeast wind 9 to 14 mph increasing to 15 to 20 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 13 to 23 mph, with gusts as high as 38 mph.

Friday Night

Mostly cloudy, with a low around 71. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 31 mph.

Saturday

Partly sunny, with a high near 91. Breezy.

Saturday Night

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

Sunday

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