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

80°F

27°C

Humidity 94%
Wind Speed E 5 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 78°F (26°C)
Visibility 8.00 mi
Heat Index86°F (30°C)
Last update 20 May 3:52 am CDT
Extended Forecast for

2 Miles E Harlingen TX

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79. East southeast wind around 10 mph.

    Low: 79 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers between 8am and 9am. Partly sunny, with a high near 93. East southeast wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 77. East southeast wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 77 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 90. East wind 6 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 90 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South southeast wind 6 to 11 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. South southeast wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 78. Southeast wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 78 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 91. South southeast wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. East southeast wind 5 to 11 mph.

    Low: 76 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79. East southeast wind around 10 mph.
Wednesday
A slight chance of showers between 8am and 9am. Partly sunny, with a high near 93. East southeast wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 77. East southeast wind 7 to 14 mph, with gusts as high as 21 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 90. East wind 6 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South southeast wind 6 to 11 mph. Chance of precipitation is 30%.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. South southeast wind 6 to 15 mph, with gusts as high as 23 mph.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 78. Southeast wind 9 to 14 mph, with gusts as high as 21 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 91. South southeast wind 8 to 14 mph, with gusts as high as 24 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. East southeast wind 5 to 11 mph.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 90. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. East southeast wind 5 to 8 mph becoming calm in the evening.
Memorial Day
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Harlingen TX
 26.19°N 97.65°W
Last Update:
4:30 am CDT May 20, 2026
Forecast Valid:
4am CDT May 20, 2026-6pm CDT May 26, 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