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

68°F

20°C

Humidity 24%
Wind Speed W 16 mph
Barometer 30.15 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 5 Feb 2:50 pm CST
Extended Forecast for

Grayson County Airport TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. West southwest wind 10 to 15 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. West wind 5 to 10 mph.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 75. West wind around 10 mph becoming north northwest in the afternoon.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. North northeast wind 5 to 10 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. South southeast wind around 10 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73. Southwest wind 5 to 10 mph.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. South wind around 5 mph.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 73. South wind 5 to 10 mph.

    High: 73 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 65. West southwest wind 10 to 15 mph.
Tonight
Clear, with a low around 43. West wind 5 to 10 mph.
Friday
Sunny, with a high near 75. West wind around 10 mph becoming north northwest in the afternoon.
Friday Night
Mostly clear, with a low around 39. North northeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 62. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 47. South southeast wind around 10 mph.
Sunday
Partly sunny, with a high near 73. Southwest wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 50. South wind around 5 mph.
Monday
Partly sunny, with a high near 73. South wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 56.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 71.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grayson County Airport TX
 33.71°N 96.66°W (Elev. 797 ft)
Last Update:
12:42 pm CST Feb 5, 2026
Forecast Valid:
3pm CST Feb 5, 2026-6pm CST Feb 11, 2026
 
Forecast Discussion
 
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Additional Resources

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