Dartmouth Weather Forecast

    • 58
    • 84

    Becoming Sunny

    • 70
    • 83

    Chance Rain Showers

    • 65
    • 83

    Chance Thunderstorms

    • 59
    • 81

    Mostly Sunny

    • 62
    • 79

    Mostly Sunny

    • 68
    • 80

    Partly Sunny

    • 71
    • 83

    Chance Rain Showers

Today 18 Jul Southern Bristol

Partly sunny. Near steady temperature in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 18 Jul Southern Bristol

Partly cloudy this Evening, then becoming mostly clear. Cooler with Lows in the upper 50s. South Winds around 5 Mph.

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  • Temperature Real-Time

Dartmouth Temperature Statistics

July Temperature

New Bedford, New Bedford Regional Airport (4.3 miles)

  • Lowest 5 July, 2025

    53.7 °F

  • Average July

    73.6 °F

  • Highest 8 July, 2025

    91.7 °F

Climate (2020–Present)

New Bedford, New Bedford Regional Airport (4.3 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.3 °F

  • Average High 2020–2025

    62.5 °F
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