Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair and Breezy

95°F

35°C

Humidity 41%
Wind Speed SE 22 G 30 mph
Barometer 29.96 in (1014.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 15 Sep 5:52 pm CDT
Extended Forecast for

Harlingen TX

  • Tonight

    Tonight: Mostly clear, with a low around 78. Southeast wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 1pm and 4pm.  Mostly sunny, with a high near 99. Heat index values as high as 109. Light east wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 20%.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am.  Mostly clear, with a low around 78. East wind 6 to 11 mph becoming light  in the evening. Winds could gust as high as 21 mph.

    Low: 78 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 97. Heat index values as high as 109. Light and variable wind becoming east northeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 50%.

    High: 97 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 78. East wind 5 to 10 mph becoming light  in the evening.  Chance of precipitation is 20%.

    Low: 78 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 96. Light northeast wind becoming east northeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 50%.

    High: 96 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. East wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. Calm wind becoming east 5 to 9 mph in the afternoon.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. East wind 5 to 10 mph becoming light southeast  in the evening. Winds could gust as high as 20 mph.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 78. Southeast wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Wednesday
A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly sunny, with a high near 99. Heat index values as high as 109. Light east wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly clear, with a low around 78. East wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 21 mph.
Thursday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 97. Heat index values as high as 109. Light and variable wind becoming east northeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 78. East wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 96. Light northeast wind becoming east northeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 76. East wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 97. Calm wind becoming east 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 76. East wind 5 to 10 mph becoming light southeast in the evening. Winds could gust as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. Light southeast wind becoming east 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. East wind 6 to 11 mph becoming light southeast after midnight. Winds could gust as high as 21 mph.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 98.
Monday Night
Mostly clear, with a low around 77.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
6:30 pm CDT Sep 15, 2026
6pm CDT Sep 15, 2026-6pm CDT Sep 22, 2026
 
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