National Weather Service

News Headlines

WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
New: October-December2026 Outlook - After a brutally hot and dry September, October brings the pattern change to wetter and less hot, with above average rainfall to close out 2026; flash flooding, water supply, & hazardous marine conditions 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	N 18 mph
Barometer	29.97 in (1014.9 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	5 Oct 12:52 pm CDT

More Information:

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

Extended Forecast for

Harlingen TX

This Afternoon
High: 84 °F
Showers
Likely
Tonight
Low: 72 °F
Chance
T-storms then
Showers
Likely
Tuesday
High: 87 °F
Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 72 °F
Chance
Showers then
Slight Chance
T-storms
Wednesday
High: 89 °F
Chance
Showers then
Showers
Likely
Wednesday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 88 °F
Chance
T-storms then
Showers
Likely
Thursday Night
Low: 72 °F
Chance
T-storms
Friday
High: 89 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. North wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

Tonight

A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. North northwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 87. North northwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Tuesday Night

A chance of showers before 7pm, then a slight chance of showers and thunderstorms after 4am. Mostly clear, with a low around 72. North northwest wind 5 to 10 mph. Chance of precipitation is 30%.

Wednesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. North northeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Wednesday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. North wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Thursday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. North wind 6 to 11 mph, with gusts as high as 21 mph.

Friday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. North wind 10 to 15 mph, with gusts as high as 26 mph.

Friday Night

Partly cloudy, with a low around 72. North wind 6 to 10 mph, with gusts as high as 21 mph.

Saturday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. North northwest wind around 11 mph, with gusts as high as 21 mph.

Saturday Night

Partly cloudy, with a low around 72.

Sunday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.