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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

67°F

19°C

Humidity	97%
Wind Speed	E 7 mph
Barometer	30.02 in (1016.5 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	9 Apr 6:52 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: 83 °F
Mostly Cloudy
then Chance
Showers
Tonight
Low: 66 °F
Chance
T-storms
Friday
High: 83 °F
Showers
Likely
Friday Night
Low: 66 °F
Partly Cloudy
Saturday
High: 86 °F
Chance
Showers and
Breezy
Saturday Night
Low: 69 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Sunday
High: 87 °F
Partly Sunny
and Breezy
Sunday Night
Low: 69 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Monday
High: 88 °F
Partly Sunny
and Breezy

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly cloudy, with a high near 83. East wind 6 to 15 mph, with gusts as high as 22 mph.

Tonight

A 40 percent chance of showers and thunderstorms. Cloudy during the evening, then partly cloudy overnight, with a low around 66. East southeast wind 6 to 15 mph, with gusts as high as 21 mph.

Friday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. East southeast wind 6 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

Friday Night

Partly cloudy, with a low around 66. East southeast wind 8 to 15 mph, with gusts as high as 20 mph.

Saturday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Breezy, with an east southeast wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 30%.

Saturday Night

Mostly cloudy, with a low around 69. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 26 mph.

Sunday

Partly sunny, with a high near 87. Breezy, with a south southeast wind 14 to 23 mph, with gusts as high as 34 mph.

Sunday Night

Mostly cloudy, with a low around 69. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 29 mph.

Monday

Partly sunny, with a high near 88. Breezy, with a south southeast wind 14 to 22 mph, with gusts as high as 36 mph.

Monday Night

Partly cloudy, with a low around 70. Breezy, with a southeast wind 16 to 18 mph, with gusts as high as 29 mph.

Tuesday

Partly sunny, with a high near 90. Breezy, with a south southeast wind 17 to 23 mph, with gusts as high as 37 mph.