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.

Fog/Mist

74°F

23°C

Humidity 95%
Wind Speed S 5 mph
Barometer 30.04 in
Dewpoint 73°F (23°C)
Visibility 5.00 mi
Last update 14 Jul 2:55 am CDT
Extended Forecast for

Pottsboro TX

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 74. South southwest wind around 5 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. Heat index values as high as 98. South southwest wind around 5 mph.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 103. South southwest wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 93. South wind 5 to 15 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. South wind 5 to 10 mph.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 74. South southwest wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. Heat index values as high as 98. South southwest wind around 5 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 73. South wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 103. South southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 75. South wind 5 to 10 mph.
Wednesday
Sunny, with a high near 93. South wind 5 to 15 mph.
Wednesday Night
Mostly clear, with a low around 74. South wind 5 to 10 mph.
Thursday
Sunny, with a high near 96. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 73. South wind around 5 mph.
Friday
Mostly sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 74.
Saturday
Mostly sunny, with a high near 95.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pottsboro TX
 33.75°N 96.66°W (Elev. 797 ft)
Last Update:
12:24 am CDT Jul 14, 2025
Forecast Valid:
3am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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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