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.

Mostly Cloudy

62°F

17°C

Humidity 53%
Wind Speed S 13 mph
Barometer 29.98 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 28 Feb 6:35 am CST
Extended Forecast for

Whitesboro TX

  • Today

    Today: A 20 percent chance of showers before 3pm. Partly sunny, then gradually becoming sunny, with a high near 80. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers after midnight. Increasing clouds, with a low around 57. South southeast wind 5 to 10 mph.

    Low: 57 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 77. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Slight Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 56. South southeast wind around 10 mph.

    Low: 56 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 72. South southeast wind 10 to 15 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 79. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 58. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 73 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers before 3pm. Partly sunny, then gradually becoming sunny, with a high near 80. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers after midnight. Increasing clouds, with a low around 57. South southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 77. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 56. South southeast wind around 10 mph.
Monday
Mostly sunny, with a high near 72. South southeast wind 10 to 15 mph.
Monday Night
Mostly cloudy, with a low around 58. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 79. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 58. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. South southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
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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:
5:13 am CST Feb 28, 2026
Forecast Valid:
6am CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation