Dorchester Weather Forecast

    • 47
    • 80

    Mostly Sunny

    • 30
    • 56

    Sunny

    • 38
    • 51

    Sunny

    • 50
    • 66

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 60
    • 77

    Mostly Sunny

    • 60
    • 78

    Sunny

Today 8 Nov Grayson

Sunny. Highs around 80. Northwest Winds 5 to 10 Mph.

Tonight 8 Nov Grayson

Partly cloudy in the Evening, then clearing. Lows in the upper 40s. North Winds 10 to 15 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 2 November, 2025

    38.5 °F

  • Average November

    59.2 °F

  • Highest 6 November, 2025

    80.6 °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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