South Dartmouth Weather Forecast

    • 64
    • 75

    Rain Showers Likely

    • 50
    • 69

    Rain Showers Likely

    • 58
    • 70

    Partly Sunny

    • 60
    • 69

    Partly Sunny

    • 60
    • 68

    Slight Chance Rain Showers

    • 57
    • 73

    Partly Sunny

Today 6 Sep Southern Bristol

Partly sunny. Humid with Highs in the lower 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 6 Sep Southern Bristol

Cloudy. Showers likely after midnight. Humid with Lows in the upper 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming west around 5 Mph after midnight. Chance of rain 70 percent.

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South Dartmouth Temperature Statistics

September Temperature

New Bedford, New Bedford Regional Airport (5.6 miles)

  • Lowest 3 September, 2025

    46.9 °F

  • Average September

    62.1 °F

  • Highest 2 September, 2025

    75.9 °F

Climate (2020–Present)

New Bedford, New Bedford Regional Airport (5.6 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    62.4 °F
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