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

77°F

25°C

Humidity 83%
Wind Speed S 9 mph
Barometer 29.99 in
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Heat Index78°F (26°C)
Last update 25 Jun 7:50 am CDT
Extended Forecast for

Whitesboro TX

  • Today

    Today: Mostly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 91. Heat index values as high as 99. South wind around 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 93. South wind around 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95. South wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95. South wind around 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 91. Heat index values as high as 99. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 77. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 93. South wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 76. South wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 95. South wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 78. South wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 95. South wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 77.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Sunny, with a high near 96.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whitesboro TX
 33.66°N 96.9°W (Elev. 801 ft)
Last Update:
6:06 am CDT Jun 25, 2026
Forecast Valid:
8am CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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