Dartmouth Weather Forecast

    • 67
    • 88

    Mostly Sunny

    • 70
    • 88

    Partly Sunny

    • 64
    • 87

    Mostly Sunny

    • 66
    • 85

    Chance Rain Showers

    • 61
    • 85

    Chance Rain Showers

    • 58
    • 81

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

Today 9 Aug Southern Bristol

Sunny. Near steady temperature in the upper 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 9 Aug Southern Bristol

Mostly clear. Lows in the upper 60s. West Winds 5 to 10 Mph.

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Dartmouth Temperature Statistics

August Temperature

New Bedford, New Bedford Regional Airport (4.3 miles)

  • Lowest 5 August, 2026

    57 °F

  • Average August

    75.2 °F

  • Highest 7 August, 2026

    91 °F

Climate (2021–2026)

New Bedford, New Bedford Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.9 °F
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