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

74°F

23°C

Humidity 57%
Wind Speed SE 7 mph
Barometer 30.05 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 12 May 8:15 pm CDT
Extended Forecast for

Denison TX

  • Tonight

    Tonight: Clear, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming southwest around 5 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. East northeast wind around 5 mph becoming southeast after midnight.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 86. South wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. South southeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 60. South wind around 5 mph.
Wednesday
Sunny, with a high near 87. Calm wind becoming southwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 66. East northeast wind around 5 mph becoming southeast after midnight.
Thursday
Mostly sunny, with a high near 88. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 70. South wind around 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 88. South wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 70. South wind around 15 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 86. South wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 73. South southeast wind around 15 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison TX
 33.75°N 96.57°W (Elev. 748 ft)
Last Update:
6:07 pm CDT May 12, 2026
Forecast Valid:
8pm CDT May 12, 2026-6pm CDT May 19, 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