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

63°F

17°C

Humidity 73%
Wind Speed S 16 mph
Barometer 29.91 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 14 Mar 9:50 am CDT
Extended Forecast for

Dorchester TX

  • Today

    Today: Sunny, with a high near 78. South wind around 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 62. South wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 76. Windy, with a south wind 20 to 30 mph becoming north northwest in the afternoon. Winds could gust as high as 50 mph.

    High: 76 °F

    Decreasing
    Clouds and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Windy, with a north northwest wind 25 to 30 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph.

    Low: 30 °F

    Mostly Clear
    and Windy

  • Monday

    Monday: Sunny, with a high near 50. North northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. North northwest wind 5 to 10 mph becoming south southeast after midnight.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. South southwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 62. South wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 76. Windy, with a south wind 20 to 30 mph becoming north northwest in the afternoon. Winds could gust as high as 50 mph.
Sunday Night
Mostly clear, with a low around 30. Windy, with a north northwest wind 25 to 30 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph.
Monday
Sunny, with a high near 50. North northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 33. North northwest wind 5 to 10 mph becoming south southeast after midnight.
Tuesday
Sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 48. South wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 75. South southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 57.
Friday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dorchester TX
 33.55°N 96.71°W (Elev. 850 ft)
Last Update:
6:06 am CDT Mar 14, 2026
Forecast Valid:
10am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
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