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.

Overcast

64°F

18°C

Humidity 68%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 9 Nov 5:50 pm CST
Extended Forecast for

Denison TX

  • Tonight

    Tonight: A slight chance of sprinkles between 9pm and 3am. Cloudy, with a low around 57. South southwest wind around 5 mph.

    Low: 57 °F

    Slight Chance
    Sprinkles

  • Tuesday

    Tuesday: A slight chance of sprinkles before 9am. Patchy fog before 9am. Otherwise, cloudy, with a high near 76. Southwest wind 5 to 10 mph.

    High: 76 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 79. Southwest wind 5 to 10 mph becoming north northwest in the afternoon.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 52. North northwest wind 5 to 10 mph.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 71. North northwest wind around 5 mph.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. North northwest wind around 5 mph becoming calm.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 69. Northeast wind around 5 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 46. East southeast wind around 5 mph.

    Low: 46 °F

    Clear

Detailed Forecast

Tonight
A slight chance of sprinkles between 9pm and 3am. Cloudy, with a low around 57. South southwest wind around 5 mph.
Tuesday
A slight chance of sprinkles before 9am. Patchy fog before 9am. Otherwise, cloudy, with a high near 76. Southwest wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 58. South wind around 5 mph.
Veterans Day
Sunny, with a high near 79. Southwest wind 5 to 10 mph becoming north northwest in the afternoon.
Wednesday Night
Clear, with a low around 52. North northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 71. North northwest wind around 5 mph.
Thursday Night
Clear, with a low around 47. North northwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 69. Northeast wind around 5 mph.
Friday Night
Clear, with a low around 46. East southeast wind around 5 mph.
Saturday
Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison TX
 33.78°N 96.57°W (Elev. 659 ft)
Last Update:
5:21 pm CST Nov 9, 2026
Forecast Valid:
6pm CST Nov 9, 2026-6pm CST Nov 16, 2026
 
Forecast Discussion
 
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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