Dorchester Weather Forecast

    • 63
    • 84

    Increasing Clouds

    • 65
    • 80

    Rain Showers Likely

    • 59
    • 71

    Rain Showers

    • 49
    • 72

    Mostly Sunny

    • 49
    • 66

    Partly Sunny

    • 52
    • 64

    Rain Showers Likely

    • 51
    • 63

    Rain Showers Likely

Today 18 Nov Grayson

Sunny. A slight chance of Showers and Thunderstorms. Highs in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain less than 20 percent.

Tonight 18 Nov Grayson

Partly cloudy. Lows in the lower 60s. Southwest Winds around 5 Mph, becoming northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dorchester Temperature Statistics

November Temperature

Sherman/Denison, Grayson County Airport (12.4 miles)

  • Lowest 10 November, 2025

    28.2 °F

  • Average November

    59.5 °F

  • Highest 15 November, 2025

    86 °F

Climate (2020–Present)

Sherman/Denison, Grayson County Airport (12.4 miles)

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  • Average Low 2020–2025

    55.4 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    76.3 °F
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