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

41°F

5°C

Humidity 53%
Wind Speed NE 13 G 22 mph
Barometer 29.89 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 20 Feb 3:55 am CST
Extended Forecast for

Whitesboro TX

  • Overnight

    Overnight: Mostly clear, with a low around 37. North northeast wind around 15 mph.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 57. North northeast wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. East wind around 5 mph becoming north after midnight.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 30. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 59. North northwest wind around 5 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 31. Northeast wind around 5 mph.

    Low: 31 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 55. East northeast wind around 5 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. East southeast wind 5 to 10 mph becoming south after midnight.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 37. North northeast wind around 15 mph.
Friday
Mostly sunny, with a high near 57. North northeast wind 5 to 10 mph becoming east southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 41. East wind around 5 mph becoming north after midnight.
Saturday
Sunny, with a high near 58. North wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Clear, with a low around 30. North wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 59. North northwest wind around 5 mph.
Sunday Night
Clear, with a low around 31. Northeast wind around 5 mph.
Monday
Sunny, with a high near 55. East northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 37. East southeast wind 5 to 10 mph becoming south after midnight.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whitesboro TX
 33.66°N 96.9°W (Elev. 801 ft)
Last Update:
12:26 am CST Feb 20, 2026
Forecast Valid:
3am CST Feb 20, 2026-6pm CST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation