Dorchester Weather Forecast

    • 40
    • 67

    Becoming Sunny

    • 36
    • 54

    Mostly Sunny

    • 39
    • 57

    Mostly Sunny

    • 47
    • 55

    Rain Showers

    • 33
    • 63

    Chance Rain Showers

    • 32
    • 45

    Chance Rain Showers

    • 29
    • 43

    Chance Rain Showers

Today 25 Nov Grayson

Sunny. Highs in the mid 60s. Northwest Winds 5 to 10 Mph.

Tonight 25 Nov Grayson

Mostly clear. Lows around 40. North Winds 5 to 10 Mph.

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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

    60.8 °F

  • Highest 18 November, 2025

    87.8 °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

    64.1 °F

  • Average High 2020–2025

    76.3 °F
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