Watertown Weather Forecast

    • 26
    • 40

    Increasing Clouds

    • 9
    • 37

    Chance Snow

    • 19
    • 25

    Slight Chance Snow

    • 23
    • 34

    Chance Rain

    • 17
    • 39

    Partly Sunny

    • 10
    • 26

    Partly Sunny

Today 3 Dec Southeast Middlesex

Mostly sunny. Highs in the upper 30s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph.

Tonight 3 Dec Southeast Middlesex

Mostly cloudy. Near steady temperature in the upper 20s. Southwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Watertown Temperature Statistics

December Temperature

Laurence G Hanscom Field Airport (8.7 miles)

  • Lowest 1 December, 2025

    18 °F

  • Average December

    34.3 °F

  • Highest 1 December, 2025

    42.1 °F

Climate (2020–Present)

Laurence G Hanscom Field Airport (8.7 miles)

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

  • Average Low 2020–2025

    41.6 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    61.9 °F
Get WillyWeather+ to remove ads