National Weather Service

News Headlines

New: 2025 In Review - Heat Dominates for a 3rd Year in Row; A March Historic Flood and Continued Water Issues Made Headlines
January-March 2026 Outlook - Drier and Warmer than Normal Conditions Expected To Continue; Drought, Wildfire Potential, Water Supply Issues and Cold Fronts Remain In Focus

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

76°F

24°C

Humidity	50%
Wind Speed	S 13 mph
Barometer	29.85 in (1010.8 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	16 Jan 4:52 pm CST

More Information:

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

Extended Forecast for

Sebastian TX

Tonight
Low: 58 °F
Increasing
Clouds
Saturday
High: 60 °F
Partly Sunny
then Chance
Showers and
Breezy
Saturday Night
Low: 41 °F
Decreasing
Clouds
Sunday
High: 64 °F
Sunny
Sunday Night
Low: 42 °F
Mostly Clear
M.L.King Day
High: 72 °F
Increasing
Clouds
Monday Night
Low: 58 °F
Mostly Cloudy
then Slight
Chance
Showers
Tuesday
High: 71 °F
Chance
Showers
Tuesday Night
Low: 59 °F
Chance
Showers

Detailed Forecast

Tonight

Increasing clouds, with a low around 58. South southeast wind 6 to 13 mph becoming north after midnight. Winds could gust as high as 20 mph.

Saturday

A 30 percent chance of showers after 4pm. Partly sunny, with a high near 60. Breezy, with a north northeast wind 14 to 18 mph, with gusts as high as 28 mph.

Saturday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 41. North wind 11 to 16 mph, with gusts as high as 26 mph.

Sunday

Sunny, with a high near 64. Wind chill values between 35 and 43 early. North wind 6 to 10 mph becoming east in the afternoon.

Sunday Night

Mostly clear, with a low around 42. Southeast wind 3 to 6 mph.

M.L.King Day

Increasing clouds, with a high near 72. Light southeast wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

Monday Night

A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 58. East southeast wind 7 to 11 mph, with gusts as high as 20 mph.

Tuesday

A 30 percent chance of showers. Cloudy, with a high near 71. East wind 7 to 14 mph, with gusts as high as 22 mph.

Tuesday Night

A 30 percent chance of showers. Cloudy, with a low around 59. Southeast wind 6 to 10 mph.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 75. South wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Wednesday Night

Partly cloudy, with a low around 59. Southeast wind 6 to 9 mph becoming west after midnight.

Thursday

Mostly sunny, with a high near 78.

Thursday Night

Mostly cloudy, with a low around 60.

Friday

Partly sunny, with a high near 79.