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.

Partly Cloudy

55°F

13°C

Humidity 92%
Wind Speed S 12 mph
Barometer 29.93 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 17 Feb 6:35 am CST
Extended Forecast for

Whitesboro TX

  • Today

    Today: Mostly sunny, with a high near 73. South wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. West wind 5 to 10 mph becoming south in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. South wind 5 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. West wind 5 to 10 mph becoming northeast after midnight.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61. Northeast wind 5 to 10 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 41. East northeast wind around 5 mph.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Sunny, with a high near 60. North wind 5 to 10 mph.

    High: 60 °F

    Slight Chance
    Showers then
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. South wind 15 to 20 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 52. South wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 74. West wind 5 to 10 mph becoming south in the afternoon.
Wednesday Night
Mostly clear, with a low around 55. South wind 5 to 10 mph.
Thursday
Sunny, with a high near 73. West wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 42. West wind 5 to 10 mph becoming northeast after midnight.
Friday
Mostly sunny, with a high near 61. Northeast wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 41. East northeast wind around 5 mph.
Saturday
A 20 percent chance of showers before noon. Sunny, with a high near 60. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Sunny, with a high near 57.
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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:
5:06 am CST Feb 17, 2026
Forecast Valid:
6am CST Feb 17, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation