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

38°F

3°C

Humidity 55%
Wind Speed N 9 mph
Barometer 30.42 in (1029.8 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 18 Jan 4:52 am CST
Extended Forecast for

Harlingen TX

  • Today

    Today: Sunny, with a high near 64. Wind chill values between 35 and 42 early. North northwest wind 6 to 10 mph becoming east northeast in the afternoon.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 42. East wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 73. Light east southeast wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 57. East southeast wind 6 to 10 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 20 percent chance of showers. Cloudy, with a high near 72. East wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 72 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 60. Southeast wind 5 to 10 mph.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 73. South wind 5 to 9 mph.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 56. East wind around 7 mph becoming north northwest in the evening.

    Low: 56 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 73. North northwest wind 6 to 9 mph becoming northeast in the afternoon.

    High: 73 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 64. Wind chill values between 35 and 42 early. North northwest wind 6 to 10 mph becoming east northeast in the afternoon.
Tonight
Clear, with a low around 42. East wind around 5 mph becoming calm in the evening.
M.L.King Day
Sunny, with a high near 73. Light east southeast wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Increasing clouds, with a low around 57. East southeast wind 6 to 10 mph.
Tuesday
A 20 percent chance of showers. Cloudy, with a high near 72. East wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60. Southeast wind 5 to 10 mph.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 73. South wind 5 to 9 mph.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 56. East wind around 7 mph becoming north northwest in the evening.
Thursday
Partly sunny, with a high near 73. North northwest wind 6 to 9 mph becoming northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 56. Northeast wind 5 to 8 mph becoming light and variable in the evening.
Friday
Partly sunny, with a high near 80. Light southeast wind becoming south southeast 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
5:21 am CST Jan 18, 2026
Forecast Valid:
5am CST Jan 18, 2026-6pm CST Jan 24, 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