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

31°C

88°F

Humidity 66%
Wind Speed SE 20 km/h
Barometer 1016.5 mb (30.02 in)
Dewpoint 24°C (75°F)
Visibility 16 km
Heat Index37°C (98°F)
Last update 19 Jun 12:52 pm CDT
Extended Forecast for

Harlingen TX

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 34. East southeast wind around 23 km/h, with gusts as high as 39 km/h. Chance of precipitation is 60%.

    High: 34 °C

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 24. East southeast wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 34 km/h. Chance of precipitation is 30%.

    Low: 24 °C

    Chance
    Showers then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 33. Southeast wind 10 to 15 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 37 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 33 °C

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 24. Southeast wind 11 to 21 km/h, with gusts as high as 34 km/h.

    Low: 24 °C

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 33. Southeast wind 11 to 16 km/h increasing to 19 to 24 km/h in the morning. Winds could gust as high as 42 km/h. Chance of precipitation is 40%.

    High: 33 °C

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. Southeast wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 37 km/h.

    Low: 24 °C

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 34. Southeast wind 11 to 16 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 40 km/h.

    High: 34 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Southeast wind 18 to 23 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.

    Low: 24 °C

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Sunny, with a high near 34. Southeast wind 10 to 15 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 37 km/h.

    High: 34 °C

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Juneteenth
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 34. East southeast wind around 23 km/h, with gusts as high as 39 km/h. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 24. East southeast wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 34 km/h. Chance of precipitation is 30%.
Friday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 33. Southeast wind 10 to 15 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 37 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 24. Southeast wind 11 to 21 km/h, with gusts as high as 34 km/h.
Saturday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 33. Southeast wind 11 to 16 km/h increasing to 19 to 24 km/h in the morning. Winds could gust as high as 42 km/h. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 24. Southeast wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 37 km/h.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 34. Southeast wind 11 to 16 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 40 km/h.
Sunday Night
Mostly clear, with a low around 24. Southeast wind 18 to 23 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.
Monday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 34. Southeast wind 10 to 15 km/h increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 37 km/h.
Monday Night
Mostly clear, with a low around 24. Southeast wind 18 to 23 km/h decreasing to 8 to 13 km/h after midnight. Winds could gust as high as 34 km/h.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 35. East southeast wind 5 to 10 km/h increasing to 16 to 21 km/h in the afternoon. Winds could gust as high as 34 km/h.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 24.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.21°N 97.7°W
Last Update:
1:00 pm CDT Jun 19, 2025
Forecast Valid:
1pm CDT Jun 19, 2025-6pm CDT Jun 25, 2025
 
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Additional Resources

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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