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.

Mostly Cloudy

75°F

24°C

Humidity 94%
Wind Speed N 16 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 5 Oct 7:52 am CDT
Extended Forecast for

Harlingen TX

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 84. North wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. North wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 9am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 87. North wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. North northwest wind 5 to 9 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. North wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. North wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. North wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 89 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. North northeast wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 89. North wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 89 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 84. North wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. North wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A slight chance of showers and thunderstorms before 9am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 87. North wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly clear, with a low around 72. North northwest wind 5 to 9 mph.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. North wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. North wind 5 to 9 mph, with gusts as high as 20 mph.
Thursday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. North wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. North northeast wind 6 to 10 mph, with gusts as high as 21 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 89. North wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 72. North wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 90. North wind 9 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
8:45 am CDT Oct 5, 2026
Forecast Valid:
8am CDT Oct 5, 2026-6pm CDT Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation