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

37°F

3°C

Humidity 33%
Wind Speed SW 16 mph
Barometer 30.30 in
Dewpoint 10°F (-12°C)
Visibility 9.00 mi
Wind Chill28°F (-2°C)
Last update 18 Jan 10:50 am CST
Extended Forecast for

Whitesboro TX

  • Today

    Today: Sunny, with a high near 57. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Light and variable wind becoming north northeast 5 to 10 mph after midnight.

    Low: 29 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 44. Wind chill values between 20 and 30. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Northeast wind 5 to 10 mph becoming light after midnight.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 49. Calm wind becoming south around 5 mph in the morning.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 39. South wind around 5 mph.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. South wind around 5 mph becoming northeast in the afternoon.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35. North northeast wind around 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 56. North northeast wind 5 to 10 mph becoming south southeast in the afternoon.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 57. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 29. Light and variable wind becoming north northeast 5 to 10 mph after midnight.
M.L.King Day
Mostly sunny, with a high near 44. Wind chill values between 20 and 30. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 24. Northeast wind 5 to 10 mph becoming light after midnight.
Tuesday
Sunny, with a high near 49. Calm wind becoming south around 5 mph in the morning.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 39. South wind around 5 mph.
Wednesday
Partly sunny, with a high near 56. South wind around 5 mph becoming northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 35. North northeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 56. North northeast wind 5 to 10 mph becoming south southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 54.
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:
5:06 am CST Jan 18, 2026
Forecast Valid:
11am CST Jan 18, 2026-6pm CST Jan 24, 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