Cambridge Weather Forecast

    • 69
    • 89

    Chance Thunderstorms

    • 62
    • 84

    Partly Sunny

    • 59
    • 82

    Partly Sunny

    • 62
    • 81

    Mostly Cloudy

    • 69
    • 84

    Chance Rain Showers

    • 65
    • 86

    Chance Rain Showers

Today 4 Sep Dane

Warm and humid. Partly sunny. Patchy fog in the morning. Chance of light Showers in the morning. Slight chance of light Showers and Thunderstorms late in the afternoon. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of precipitation 30 percent. Highest heat index Readings 96 to 101 in the afternoon.

Tonight 4 Sep Dane

Partly cloudy with a 40 percent chance of light Showers and Thunderstorms. Lows in the upper 60s. West Winds up to 5 Mph shifting to the northeast after midnight.

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Cambridge Temperature Statistics

September Temperature

Watertown (18.6 miles)

  • Lowest 1 September, 2026

    67.6 °F

  • Average September

    76.7 °F

  • Highest 1 September, 2026

    87.3 °F

Climate (2021–2026)

Watertown (18.6 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    53.9 °F
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