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

69°F

21°C

Humidity 59%
Wind Speed S 12 mph
Barometer 30.06 in
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 29 Mar 11:35 pm CDT
Extended Forecast for

Whitesboro TX

  • Tonight

    Tonight: Mostly clear, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 81. South wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 81 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 81. South wind around 15 mph, with gusts as high as 20 mph.

    High: 81 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 74. South wind around 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Partly cloudy, with a low around 60. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 81. South wind 15 to 20 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 81. South wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 81. South wind around 15 mph, with gusts as high as 20 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 74. South wind around 15 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 60. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 82.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 64.
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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:
6:16 pm CDT Mar 29, 2026
Forecast Valid:
11pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation