Dartmouth Weather Forecast

    • 55
    • 65

    Rain Showers

    • 53
    • 66

    Mostly Cloudy

    • 54
    • 69

    Partly Sunny

    • 59
    • 72

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 49
    • 66

    Partly Sunny

Today 28 Sep Southern Bristol

Showers. Patchy fog. Highs in the mid 60s. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph this morning. Chance of rain near 100 percent.

Tonight 28 Sep Southern Bristol

Cloudy. Showers Likely, mainly in the evening. Patchy fog. Lows in the mid 50s. North Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 70 percent.

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  • Temperature Real-Time

Dartmouth Temperature Statistics

September Temperature

New Bedford, New Bedford Regional Airport (4.3 miles)

  • Lowest 15 September, 2026

    45 °F

  • Average September

    63.9 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

New Bedford, New Bedford Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    61.8 °F
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