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

58°F

14°C

Humidity 100%
Wind Speed NW 7 mph
Barometer 29.80 in
Dewpoint 58°F (14°C)
Visibility 7.00 mi
Last update 15 Feb 12:15 am CST
Extended Forecast for

Pottsboro TX

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms before 3am. Cloudy, with a low around 52. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Chance
    T-storms

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 65. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. North wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 69. South wind 5 to 10 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. South wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76. West southwest wind around 10 mph.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms before 3am. Cloudy, with a low around 52. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 65. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 43. North wind around 5 mph becoming calm in the evening.
Washington's Birthday
Sunny, with a high near 69. South wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 52. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 75. South wind 10 to 20 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 55. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 76. West southwest wind around 10 mph.
Wednesday Night
Partly cloudy, with a low around 55. South southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 42.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pottsboro TX
 33.75°N 96.66°W (Elev. 797 ft)
Last Update:
5:07 pm CST Feb 14, 2026
Forecast Valid:
12am CST Feb 15, 2026-6pm CST Feb 21, 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