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.

A Few Clouds

84°F

29°C

Humidity 72%
Wind Speed E 12 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 7 Oct 6:52 pm CDT
Extended Forecast for

Harlingen TX

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. East wind 5 to 9 mph becoming light and variable. Chance of precipitation is 30%.

    Low: 75 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Northeast wind 6 to 15 mph, with gusts as high as 23 mph. New rainfall amounts between three quarters and one inch possible.

    High: 90 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 75. Northeast wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then showers likely after 4pm. Mostly sunny, with a high near 90. Northeast wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 90 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of showers, with thunderstorms also possible after 4am. Mostly clear, with a low around 74. Northeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Northeast wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. Northeast wind 5 to 10 mph.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. North wind 6 to 9 mph becoming east northeast in the afternoon.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. East wind 5 to 9 mph becoming light southeast after midnight.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. East wind 5 to 9 mph becoming light and variable. Chance of precipitation is 30%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Northeast wind 6 to 15 mph, with gusts as high as 23 mph. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 75. Northeast wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday
Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then showers likely after 4pm. Mostly sunny, with a high near 90. Northeast wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Thursday Night
A slight chance of showers, with thunderstorms also possible after 4am. Mostly clear, with a low around 74. Northeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Northeast wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 69. Northeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 90. North wind 6 to 9 mph becoming east northeast in the afternoon.
Saturday Night
Mostly clear, with a low around 69. East wind 5 to 9 mph becoming light southeast after midnight.
Sunday
Sunny, with a high near 90. East southeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 72. Southeast wind 7 to 10 mph.
Columbus Day
A 20 percent chance of showers. Mostly sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Mostly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.21°N 97.7°W
Last Update:
6:45 pm CDT Oct 7, 2025
Forecast Valid:
7pm CDT Oct 7, 2025-6pm CDT Oct 14, 2025
 
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