Dorchester Weather Forecast

    • 22
    • 28

    Snow

    • 8
    • 25

    Mostly Cloudy

    • 8
    • 23

    Partly Sunny

    • 12
    • 27

    Slight Chance Snow

    • 6
    • 23

    Mostly Cloudy

    • 6
    • 17

    Mostly Cloudy

    • 8
    • 23

    Mostly Cloudy

Today 10 Dec Southern Grafton

Snow. Additional snow accumulation of 1 to 3 Inches. Highs in the upper 20s. South Winds around 10 Mph. Chance of snow near 100 percent.

Tonight 10 Dec Southern Grafton

Cloudy. Snow, mainly in the evening. Additional snow accumulation around an inch. Total snow accumulation 2 to 6 Inches. Lows around 20. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 90 percent.

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Dorchester Temperature Statistics

December Temperature

Plymouth Municipal Airport (9.3 miles)

  • Lowest 8 December, 2025

    -8 °F

  • Average December

    20.1 °F

  • Highest 1 December, 2025

    36.5 °F

Climate (2020–Present)

Plymouth Municipal Airport (9.3 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    57.1 °F
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