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

75°F

24°C

Humidity 88%
Wind Speed Calm
Barometer 29.99 in (1015.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 3 Oct 10:52 pm CDT
Extended Forecast for

2 Miles WNW Sebastian TX

  • Tonight

    Tonight: Mostly clear, with a low around 71. Light and variable wind becoming north northwest around 5 mph after midnight.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 90. Northeast wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 72. Northeast wind 5 to 10 mph becoming light 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 8 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 2am. Otherwise, mostly clear, with a low around 72. East wind 5 to 9 mph becoming calm in the evening.

    Low: 72 °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 93. Calm wind becoming east 5 to 9 mph in the morning.

    High: 93 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 73. East wind 5 to 10 mph becoming light east southeast after midnight.

    Low: 73 °F

    Mostly Clear
    then Patchy
    Fog

  • 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 92. Light east northeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Patchy fog between 3am and 4am. Otherwise, partly cloudy, with a low around 73. East wind 5 to 10 mph becoming light.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms and
    Patchy Fog

Detailed Forecast

Tonight
Mostly clear, with a low around 71. Light and variable wind becoming north northwest around 5 mph after midnight.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 90. Northeast wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 72. Northeast wind 5 to 10 mph becoming light 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 8 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 72. 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 93. Calm wind becoming east 5 to 9 mph in the morning.
Monday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 73. East wind 5 to 10 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 92. 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. Patchy fog between 3am and 4am. Otherwise, partly cloudy, with a low around 73. East wind 5 to 10 mph becoming light.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northeast wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers. Mostly clear, with a low around 73. East northeast wind 5 to 10 mph becoming light and variable.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 72.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Sebastian TX
 26.35°N 97.83°W
Last Update:
11:30 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