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

18°C

64°F

Humidity 94%
Wind Speed SW 9 km/h
Barometer 29.98 in
Dewpoint 17°C (63°F)
Visibility 16 km
Last update 28 Mar 10:50 am CDT
Extended Forecast for

Gainesville TX

  • Today

    Today: A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm. Cloudy, with a high near 20. South wind 15 to 20 km/h, with gusts as high as 30 km/h. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 20 °C

    Chance
    Showers

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 14. South southeast wind 10 to 15 km/h.

    Low: 14 °C

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 28. South wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h.

    High: 28 °C

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 17. South wind 15 to 20 km/h, with gusts as high as 35 km/h.

    Low: 17 °C

    Slight Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 27. South wind around 15 km/h becoming west northwest in the afternoon. Chance of precipitation is 20%.

    High: 27 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 8. North northeast wind around 10 km/h.

    Low: 8 °C

    Slight Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 19. North wind around 15 km/h.

    High: 19 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 8. Northeast wind 5 to 10 km/h.

    Low: 8 °C

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26. South southeast wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h.

    High: 26 °C

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm. Cloudy, with a high near 20. South wind 15 to 20 km/h, with gusts as high as 30 km/h. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 14. South southeast wind 10 to 15 km/h.
Saturday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 28. South wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 17. South wind 15 to 20 km/h, with gusts as high as 35 km/h.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 27. South wind around 15 km/h becoming west northwest in the afternoon. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 8. North northeast wind around 10 km/h.
Monday
Sunny, with a high near 19. North wind around 15 km/h.
Monday Night
Mostly clear, with a low around 8. Northeast wind 5 to 10 km/h.
Tuesday
Mostly sunny, with a high near 26. South southeast wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 27.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 12.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
Gainesville TX
 33.63°N 97.14°W (Elev. 764 m)
Last Update:
10:45 am CDT Mar 28, 2025
Forecast Valid:
11am CDT Mar 28, 2025-6pm CDT Apr 3, 2025
 
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