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.

Overcast

76°F

24°C

Humidity 94%
Wind Speed E 3 mph
Barometer 30.05 in (1017.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 18 Apr 11:52 pm CDT
Extended Forecast for

2 Miles ENE Harlingen TX

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 64. North wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 73. North wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 64. North wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 78. North wind 6 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 67. East wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 83. Southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 68. East southeast wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Southeast wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Southeast wind 8 to 14 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 64. North wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. High near 73. North wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 64. North wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 78. North wind 6 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 67. East wind 6 to 13 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 83. Southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 68. East southeast wind 6 to 13 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 87. Southeast wind 6 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 69. Southeast wind 8 to 14 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 88. South southeast wind 9 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 72. Southeast wind 11 to 16 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Partly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Harlingen TX
 26.21°N 97.67°W
Last Update:
12:00 am CDT Apr 19, 2026
Forecast Valid:
12am CDT Apr 19, 2026-6pm CDT Apr 25, 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