National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

66°F

19°C

Humidity 33%
Wind Speed N 10 mph
Barometer 30.28 in (1025.4 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 15 Jan 11:52 am CST
Extended Forecast for

Sebastian TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 68. North wind 6 to 9 mph becoming east.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. East wind around 6 mph becoming south after midnight.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 79. South wind 6 to 16 mph, with gusts as high as 25 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. South southeast wind 5 to 9 mph becoming north after midnight.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 69. North northeast wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 69 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 40. North wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64. North wind 7 to 11 mph becoming east in the afternoon.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Southeast wind 5 to 7 mph.

    Low: 46 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 74. Southeast wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 68. North wind 6 to 9 mph becoming east.
Tonight
Clear, with a low around 45. East wind around 6 mph becoming south after midnight.
Friday
Sunny, with a high near 79. South wind 6 to 16 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 54. South southeast wind 5 to 9 mph becoming north after midnight.
Saturday
Mostly cloudy, with a high near 69. North northeast wind 10 to 15 mph, with gusts as high as 23 mph.
Saturday Night
A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 40. North wind 13 to 16 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 64. North wind 7 to 11 mph becoming east in the afternoon.
Sunday Night
Mostly clear, with a low around 46. Southeast wind 5 to 7 mph.
M.L.King Day
Mostly sunny, with a high near 74. Southeast wind 5 to 14 mph, with gusts as high as 22 mph.
Monday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 56. East southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 68. East wind 7 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A 40 percent chance of showers. Cloudy, with a low around 55.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sebastian TX
 26.37°N 97.78°W
Last Update:
12:30 pm CST Jan 15, 2026
Forecast Valid:
12pm CST Jan 15, 2026-6pm CST Jan 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation