Cambridge Weather Forecast

    • 57
    • 71

    Rain Showers

    • 56
    • 69

    Rain Showers

    • 49
    • 66

    Chance Rain Showers

    • 50
    • 61

    Chance Rain Showers

    • 49
    • 62

    Mostly Cloudy

    • 51
    • 67

    Partly Sunny

Today 18 Sep Dane

Mostly cloudy. A 50 percent chance of light rain Showers in the late morning and afternoon. Highs around 70. East Winds 5 to 15 Mph.

Tonight 18 Sep Dane

Chance of rain Showers in the Evening, then rain Showers and chance of Thunderstorms in the late evening and overnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East Winds 10 to 15 Mph. Chance of precipitation near 100 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cambridge Temperature Statistics

September Temperature

Watertown (18.6 miles)

  • Lowest 14 September, 2026

    40.8 °F

  • Average September

    68.7 °F

  • Highest 1 September, 2026

    87.3 °F

Climate (2021–2026)

Watertown (18.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    53.9 °F
Get WillyWeather+ to remove ads