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

74°F

23°C

Humidity 91%
Wind Speed N 3 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 3 Oct 11:52 pm CDT
Extended Forecast for

Harlingen TX

  • Tonight

    Tonight: Mostly clear, with a low around 73. North northeast wind 3 to 5 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 91. North northwest wind 6 to 10 mph becoming east northeast in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 72. Northeast wind 5 to 9 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Sunny, with a high near 93. Light and variable wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 74. East wind 5 to 9 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 94. Calm wind becoming east 5 to 9 mph in the afternoon.

    High: 94 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. East wind 5 to 9 mph becoming light east southeast after midnight.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 93. Light east northeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 93 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. East wind 5 to 9 mph becoming light east northeast.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 73. North northeast wind 3 to 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 91. North northwest wind 6 to 10 mph becoming east northeast in the afternoon.
Saturday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 72. Northeast wind 5 to 9 mph becoming calm in the evening.
Sunday
A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Sunny, with a high near 93. Light and variable wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 74. East wind 5 to 9 mph becoming calm in the evening.
Monday
A 20 percent chance of showers after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 94. Calm wind becoming east 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 74. East wind 5 to 9 mph becoming light east southeast after midnight.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 93. Light east northeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. East wind 5 to 9 mph becoming light east northeast.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. North northeast wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 74. East northeast wind 5 to 9 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
11:45 pm CDT Oct 3, 2025
Forecast Valid:
11pm CDT Oct 3, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
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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