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New: November 2026-January 2027 Outlook - Normal to warmer than normal conditions are favored through the remainder of the Fall into the upcoming Winter Season; mainly dry; marine/coastal, drought, fire weather, & water supply issues are in focus

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

N/A

Humidity	NA
Wind Speed	E 5 mph
Barometer	29.91 in (1012.9 mb)
Dewpoint	N/A
Visibility	7.00 mi
Last update	15 Nov 3:52 am CST

More Information:

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

Extended Forecast for

Sebastian TX

Overnight
Low: 68 °F
Mostly Clear
Sunday
High: 84 °F
Sunny then
Slight Chance
Showers
Sunday Night
Low: 59 °F
Showers
Likely and
Breezy
Monday
High: 60 °F
Mostly Cloudy
and Breezy
Monday Night
Low: 56 °F
Mostly Cloudy
and Breezy
then Slight
Chance
Showers
Tuesday
High: 67 °F
Mostly Cloudy
then Slight
Chance
Showers
Tuesday Night
Low: 62 °F
Mostly Cloudy
Wednesday
High: 77 °F
Partly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 66 °F
Slight Chance
T-storms

Detailed Forecast

Overnight

Mostly clear, with a low around 68. Southeast wind around 8 mph.

Sunday

A slight chance of showers between 4pm and 5pm. Sunny, with a high near 84. South wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Sunday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am. Increasing clouds, with a low around 59. Breezy, with a light and variable wind becoming north 15 to 20 mph in the evening. Winds could gust as high as 32 mph. Chance of precipitation is 60%.

Monday

Mostly cloudy, with a high near 60. Breezy, with a north wind 17 to 21 mph, with gusts as high as 33 mph.

Monday Night

A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 56. Breezy, with a north northwest wind 15 to 18 mph, with gusts as high as 31 mph.

Tuesday

A 20 percent chance of showers after noon. Mostly cloudy, with a high near 67. North northwest wind 9 to 15 mph, with gusts as high as 28 mph.

Tuesday Night

Mostly cloudy, with a low around 62. North wind 3 to 8 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Light and variable wind becoming east 5 to 9 mph in the morning.

Wednesday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northeast wind 3 to 7 mph.

Thursday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. East wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Thursday Night

Partly cloudy, with a low around 67. East wind 5 to 8 mph.

Friday

A 20 percent chance of showers. Mostly sunny, with a high near 80.

Friday Night

Partly cloudy, with a low around 68.

Saturday

Mostly sunny, with a high near 82.