Dartmouth Weather Forecast

    • 57
    • 81

    Becoming Sunny

    • 55
    • 70

    Partly Sunny

    • 60
    • 80

    Mostly Sunny

    • 55
    • 80

    Chance Rain Showers

    • 49
    • 72

    Slight Chance Rain Showers

    • 48
    • 66

    Mostly Cloudy

Today 17 May Southern Bristol

Sunny, warmer with Highs in the lower 80s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph.

Tonight 17 May Southern Bristol

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Southwest Winds 10 to 15 Mph, becoming northeast around 5 Mph after midnight.

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Dartmouth Temperature Statistics

May Temperature

New Bedford, New Bedford Regional Airport (4.3 miles)

  • Lowest 3 May, 2026

    36 °F

  • Average May

    52.9 °F

  • Highest 10 May, 2026

    66.9 °F

Climate (2021–Present)

New Bedford, New Bedford Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    61.9 °F
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