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

36°F

2°C

Humidity 48%
Wind Speed NE 12 mph
Barometer 30.63 in
Dewpoint 18°F (-8°C)
Visibility 9.00 mi
Wind Chill28°F (-2°C)
Last update 23 Feb 8:49 am CST
Extended Forecast for

Sherman TX

  • Today

    Today: Sunny, with a high near 55. North northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. South wind 5 to 10 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. South southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. South wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. South wind 5 to 10 mph becoming light and variable.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 42. North wind 5 to 10 mph becoming east after midnight.

    Low: 42 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72. South wind 5 to 10 mph.

    High: 72 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 55. North northeast wind around 5 mph becoming east southeast in the afternoon.
Tonight
Mostly clear, with a low around 38. South wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 71. South southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 55. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 78. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 53. South wind 5 to 10 mph becoming light and variable.
Thursday
Sunny, with a high near 71. North wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 42. North wind 5 to 10 mph becoming east after midnight.
Friday
Sunny, with a high near 72. South wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sherman TX
 33.62°N 96.6°W (Elev. 699 ft)
Last Update:
5:06 am CST Feb 23, 2026
Forecast Valid:
10am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation