Dorchester Weather Forecast

    • 70
    • 84

    Slight Chance Thunderstorms

    • 72
    • 86

    Rain Showers

    • 65
    • 85

    Rain Showers

    • 62
    • 80

    Mostly Sunny

    • 63
    • 81

    Partly Sunny

    • 65
    • 81

    Partly Sunny

    • 69
    • 83

    Partly Sunny

Today 20 Jul Cumberland

Sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph, becoming south this afternoon.

Tonight 20 Jul Cumberland

Mostly clear this Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows around 70. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dorchester Temperature Statistics

July Temperature

Millville, Millville Municipal Airport (8.1 miles)

  • Lowest 13 July, 2026

    61 °F

  • Average July

    78.7 °F

  • Highest 3 July, 2026

    100.9 °F

Climate (2021–2026)

Millville, Millville Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    66.2 °F
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