Dartmouth Weather Forecast

    • 44
    • 61

    Mostly Cloudy

    • 48
    • 62

    Mostly Cloudy

    • 43
    • 57

    Slight Chance Rain Showers

    • 41
    • 61

    Mostly Sunny

    • 38
    • 57

    Mostly Sunny

    • 39
    • 57

    Mostly Sunny

Today 19 Oct Southern Bristol

Mostly sunny. Highs in the lower 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 19 Oct Southern Bristol

Mostly cloudy. Lows in the lower 40s. Northeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Dartmouth Temperature Statistics

October Temperature

New Bedford, New Bedford Regional Airport (4.3 miles)

  • Lowest 17 October, 2026

    33.1 °F

  • Average October

    57.7 °F

  • Highest 14 October, 2026

    79 °F

Climate (2021–2026)

New Bedford, New Bedford Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    61.8 °F
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