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

71°F

22°C

Humidity 96%
Wind Speed Calm
Barometer 30.04 in (1017.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 10 Apr 3:52 am CDT
Extended Forecast for

Harlingen, Rio Grande Valley International Airport TX

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East southeast wind around 6 mph.

    Low: 66 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 84. East southeast wind 6 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. East southeast wind 8 to 15 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 86. Breezy, with an east southeast wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 69. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 26 mph.

    Low: 69 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 87. Breezy, with a southeast wind 14 to 23 mph, with gusts as high as 34 mph.

    High: 87 °F

    Mostly Cloudy
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 69. Breezy, with a southeast wind 14 to 21 mph, with gusts as high as 28 mph.

    Low: 69 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Breezy, with a southeast wind 14 to 23 mph, with gusts as high as 33 mph.

    High: 88 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 70 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East southeast wind around 6 mph.
Friday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 84. East southeast wind 6 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. East southeast wind 8 to 15 mph, with gusts as high as 20 mph.
Saturday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 86. Breezy, with an east southeast wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 69. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 26 mph.
Sunday
Mostly cloudy, with a high near 87. Breezy, with a southeast wind 14 to 23 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 69. Breezy, with a southeast wind 14 to 21 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 88. Breezy, with a southeast wind 14 to 23 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 70. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 28 mph.
Tuesday
Partly sunny, with a high near 89. Breezy, with a south southeast wind 15 to 22 mph, with gusts as high as 36 mph.
Tuesday Night
Partly cloudy, with a low around 70. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 29 mph.
Wednesday
Partly sunny, with a high near 89. Breezy.
Wednesday Night
Mostly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 90. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen, Rio Grande Valley International Airport TX
 26.24°N 97.65°W
Last Update:
4:45 am CDT Apr 10, 2026
Forecast Valid:
4am CDT Apr 10, 2026-6pm CDT Apr 16, 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