Dartmouth Weather Forecast

    • 12
    • 41

    Becoming Sunny

    • 18
    • 25

    Snow Likely

    • 16
    • 32

    Chance Snow

    • 28
    • 39

    Rain

    • 23
    • 47

    Rain Likely

    • 20
    • 32

    Partly Sunny

Today 25 Dec Southern Bristol

Cloudy with isolated rain and snow Showers this Morning, then partly sunny with isolated rain Showers this afternoon. Highs in the lower 40s. Southwest Winds 10 to 15 Mph, becoming northwest this afternoon. Gusts up to 35 Mph. Chance of precipitation 20 percent.

Tonight 25 Dec Southern Bristol

Mostly clear. Cooler with Lows around 14. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Dartmouth Temperature Statistics

December Temperature

New Bedford, New Bedford Regional Airport (4.3 miles)

  • Lowest 9 December, 2025

    10.9 °F

  • Average December

    32.6 °F

  • Highest 19 December, 2025

    57 °F

Climate (2020–Present)

New Bedford, New Bedford Regional Airport (4.3 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    62.2 °F
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