Cambridge Weather Forecast

    • 65
    • 79

    Becoming Sunny

    • 65
    • 83

    Mostly Sunny

    • 64
    • 78

    Partly Sunny

    • 62
    • 75

    Slight Chance Thunderstorms

    • 64
    • 78

    Partly Sunny

    • 66
    • 80

    Mostly Cloudy

Today 18 Sep Dorchester

Cloudy this Morning, then becoming partly sunny. Patchy fog this morning. Highs in the upper 70s. Northwest Winds around 5 Mph.

Tonight 18 Sep Dorchester

Clear. Lows in the mid 60s. Southwest Winds around 5 Mph.

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Cambridge Temperature Statistics

September Temperature

Cambridge-Dorchester Airport (3.1 miles)

  • Lowest 8 September, 2025

    51.8 °F

  • Average September

    67.7 °F

  • Highest 6 September, 2025

    87.8 °F

Climate (2020–Present)

Cambridge-Dorchester Airport (3.1 miles)

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  • Average Low 2020–2025

    49.3 °F

  • Average 2020–2025

    58.2 °F

  • Average High 2020–2025

    66.8 °F
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