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

82°F

28°C

Humidity 85%
Wind Speed S 9 mph
Barometer 29.86 in (1011.0 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 23 Jul 1:52 am CDT
Extended Forecast for

12 Miles ESE Armstrong TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 77. South southwest wind around 6 mph.

    Low: 77 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 98. Heat index values as high as 108. Light south southwest wind becoming south southeast 6 to 11 mph in the morning.

    High: 98 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 77. South southeast wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 77 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 95. Heat index values as high as 109. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 28 mph.

    High: 95 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Southeast wind 7 to 16 mph, with gusts as high as 26 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. East southeast wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 75. East southeast wind 8 to 13 mph becoming light south southeast after midnight. Winds could gust as high as 21 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Light south southeast wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 20 mph.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Southeast wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 77. South southwest wind around 6 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 98. Heat index values as high as 108. Light south southwest wind becoming south southeast 6 to 11 mph in the morning.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 77. South southeast wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Mostly sunny, with a high near 95. Heat index values as high as 109. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 76. Southeast wind 7 to 16 mph, with gusts as high as 26 mph.
Saturday
Sunny, with a high near 94. East southeast wind 5 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Clear, with a low around 75. East southeast wind 8 to 13 mph becoming light south southeast after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 96. Light south southeast wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 75. Southeast wind 7 to 14 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 98. South southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Clear, with a low around 76. Southeast wind 8 to 16 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Clear, with a low around 77.
Wednesday
Sunny, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Armstrong TX
 26.79°N 97.56°W
Last Update:
2:18 am CDT Jul 23, 2026
Forecast Valid:
2am CDT Jul 23, 2026-6pm CDT Jul 29, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation