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

N/A

Humidity NA
Wind Speed SE 8 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 9 Nov 3:52 am CST
Extended Forecast for

Harlingen TX

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. East wind around 7 mph. Chance of precipitation is 70%.

    Low: 70 °F

    Showers
    Likely

  • Monday

    Monday: Showers and thunderstorms, mainly before 4pm. High near 79. East southeast wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers, mainly between 8pm and midnight. Mostly cloudy, with a low around 68. Northeast wind around 6 mph becoming light and variable.

    Low: 68 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 80. Northwest wind around 6 mph becoming north northeast in the afternoon.

    High: 80 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 68. North wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Slight Chance
    Showers

  • Veterans Day

    Veterans Day: A 30 percent chance of showers after noon. Mostly cloudy, with a high near 80. North northwest wind 3 to 6 mph.

    High: 80 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 66. Calm wind becoming north northwest 5 to 7 mph after midnight.

    Low: 66 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 78. North wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 78 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. North wind 5 to 7 mph becoming calm.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. East wind around 7 mph. Chance of precipitation is 70%.
Monday
Showers and thunderstorms, mainly before 4pm. High near 79. East southeast wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 40 percent chance of showers, mainly between 8pm and midnight. Mostly cloudy, with a low around 68. Northeast wind around 6 mph becoming light and variable.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 80. Northwest wind around 6 mph becoming north northeast in the afternoon.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 68. North wind around 5 mph becoming calm in the evening.
Veterans Day
A 30 percent chance of showers after noon. Mostly cloudy, with a high near 80. North northwest wind 3 to 6 mph.
Wednesday Night
Cloudy, with a low around 66. Calm wind becoming north northwest 5 to 7 mph after midnight.
Thursday
Mostly cloudy, with a high near 78. North wind 8 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 59. North wind 5 to 7 mph becoming calm.
Friday
Sunny, with a high near 78. Light and variable wind becoming north northeast 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 59. Northeast wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 80.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 67.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
4:45 am CST Nov 9, 2026
Forecast Valid:
4am CST Nov 9, 2026-6pm CST Nov 15, 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