Dorchester Weather Forecast

    • 45
    • 62

    Increasing Clouds

    • 55
    • 65

    Rain Showers

    • 50
    • 67

    Rain Showers

    • 40
    • 66

    Mostly Sunny

    • 35
    • 53

    Mostly Sunny

    • 40
    • 56

    Mostly Sunny

    • 47
    • 60

    Mostly Cloudy

Today 22 Nov Grayson

Mostly sunny. Cooler with Highs in the lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 22 Nov Grayson

Partly cloudy. Lows in the mid 40s. North Winds around 5 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

    61.8 °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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