National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

66°F

19°C

Humidity 83%
Wind Speed S 13 mph
Barometer 29.96 in
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Last update 26 Mar 5:15 am CDT
Extended Forecast for

Grayson County Airport TX

  • Today

    Today: Sunny, with a high near 85. South wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 62. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Clear

  • Friday

    Friday: Mostly sunny, with a temperature falling to around 59 by 5pm. Breezy, with a south wind 5 to 10 mph becoming north northeast 15 to 25 mph in the morning. Winds could gust as high as 35 mph.

    High: 66 °F⇓

    Sunny then
    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62. Northeast wind around 10 mph becoming east southeast in the afternoon.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. Southeast wind around 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 83. South wind around 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 85. South wind 15 to 20 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 62. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a temperature falling to around 59 by 5pm. Breezy, with a south wind 5 to 10 mph becoming north northeast 15 to 25 mph in the morning. Winds could gust as high as 35 mph.
Friday Night
Mostly cloudy, with a low around 50. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 62. Northeast wind around 10 mph becoming east southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 51. Southeast wind around 5 mph.
Sunday
Sunny, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 61. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 83. South wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grayson County Airport TX
 33.71°N 96.68°W (Elev. 751 ft)
Last Update:
1:26 am CDT Mar 26, 2026
Forecast Valid:
5am CDT Mar 26, 2026-6pm CDT Apr 1, 2026
 
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Additional Resources

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