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

71°F

22°C

Humidity 35%
Wind Speed N 20 G 38 mph
Barometer 30.32 in (1026.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 17 Oct 3:52 pm CDT
Extended Forecast for

Port Mansfield TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. Breezy, with a north wind around 20 mph, with gusts as high as 26 mph.

    High: 70 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 60. North wind 10 to 17 mph, with gusts as high as 24 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 74. North wind 15 to 17 mph, with gusts as high as 23 mph.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 69. North northeast wind 6 to 11 mph.

    Low: 69 °F

    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of showers, mainly after 7am. Increasing clouds, with a high near 78. North northeast wind 9 to 13 mph.

    High: 78 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73. East northeast wind 7 to 10 mph.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Northeast wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 73. East wind 7 to 11 mph. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 82. East northeast wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 82 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 70. Breezy, with a north wind around 20 mph, with gusts as high as 26 mph.
Tonight
Increasing clouds, with a low around 60. North wind 10 to 17 mph, with gusts as high as 24 mph.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 74. North wind 15 to 17 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 69. North northeast wind 6 to 11 mph.
Monday
A 40 percent chance of showers, mainly after 7am. Increasing clouds, with a high near 78. North northeast wind 9 to 13 mph.
Monday Night
Partly cloudy, with a low around 73. East northeast wind 7 to 10 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Northeast wind 8 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. East wind 7 to 11 mph. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 82. East northeast wind 8 to 14 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 72. East wind 5 to 11 mph.
Thursday
Sunny, with a high near 82. East northeast wind 6 to 10 mph.
Thursday Night
Clear, with a low around 71.
Friday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Mansfield TX
 26.56°N 97.43°W
Last Update:
4:30 pm CDT Oct 17, 2026
Forecast Valid:
4pm CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
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