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

77°F

25°C

Humidity	94%
Wind Speed	NE 9 mph
Barometer	29.99 in (1015.4 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	4 Oct 9:52 pm CDT

More Information:

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

Extended Forecast for

2 Miles SW Sebastian TX

Tonight
Low: 72 °F
Showers
Monday
High: 84 °F
Showers
Monday Night
Low: 71 °F
Chance
T-storms then
Showers
Likely
Tuesday
High: 88 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 71 °F
Slight Chance
T-storms then
Mostly Clear
Wednesday
High: 90 °F
Sunny then
Chance
Showers
Wednesday Night
Low: 72 °F
Partly Cloudy
then Slight
Chance
T-storms
Thursday
High: 89 °F
Showers
Likely
Thursday Night
Low: 71 °F
Chance
Showers

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Low around 72. North wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 84. North wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 4am, then showers likely after 4am. Mostly cloudy, with a low around 71. North wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 88. North wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

Tuesday Night

A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 71. North northeast wind 5 to 8 mph becoming calm. Chance of precipitation is 10%.

Wednesday

A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. North northeast wind 8 to 13 mph, with gusts as high as 22 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Northeast wind 5 to 8 mph becoming calm. Winds could gust 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 89. North northeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 71. North northeast wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Friday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. North wind 10 to 13 mph, with gusts as high as 24 mph.

Friday Night

A 20 percent chance of showers. Partly cloudy, with a low around 69. North northwest wind 6 to 10 mph, with gusts as high as 23 mph.

Saturday

Mostly sunny, with a high near 89.

Saturday Night

Mostly clear, with a low around 69.

Sunday

Sunny, with a high near 93.