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

59°F

15°C

Humidity 82%
Wind Speed S 14 mph
Barometer 29.66 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Feb 8:50 am CST
Extended Forecast for

Whitesboro TX

  • Today

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

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Northeast wind 5 to 10 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 75. North northeast wind around 10 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. North northeast wind 5 to 10 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. East northeast wind around 5 mph becoming south southeast in the afternoon.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. South southeast wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after midnight. Partly cloudy, with a low around 56. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Slight Chance
    Showers then
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. South wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 51. Northeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 75. North northeast wind around 10 mph.
Thursday Night
Mostly clear, with a low around 46. North northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 74. East northeast wind around 5 mph becoming south southeast in the afternoon.
Friday Night
Mostly clear, with a low around 51. South southeast wind around 5 mph.
Saturday
Sunny, with a high near 80. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of showers, mainly after midnight. Partly cloudy, with a low around 56. South southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of showers, mainly after midnight. Partly cloudy, with a low around 54.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 71.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Whitesboro TX
 33.66°N 96.9°W (Elev. 801 ft)
Last Update:
5:07 am CST Feb 25, 2026
Forecast Valid:
9am CST Feb 25, 2026-6pm CST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation