Somerville Weather Forecast

    • 25
    • 38

    Chance Rain/Snow

    • 21
    • 37

    Chance Snow

    • 12
    • 26

    Mostly Sunny

    • 26
    • 32

    Chance Snow

    • 34
    • 43

    Rain Likely

    • 27
    • 42

    Chance Rain

Today 6 Dec Southeast Middlesex

Cloudy. A slight chance of light snow in the Morning, then a slight chance of light rain in the afternoon. Not as cool with Highs in the upper 30s. Southwest Winds around 5 Mph. Chance of precipitation 20 percent.

Tonight 6 Dec Southeast Middlesex

Cloudy and not as cool. Near steady temperature in the lower 20s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Somerville Temperature Statistics

December Temperature

Boston, Logan International Airport (4.3 miles)

  • Lowest 1 December, 2025

    28.9 °F

  • Average December

    35.4 °F

  • Highest 1 December, 2025

    43 °F

Climate (2020–Present)

Boston, Logan International Airport (4.3 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.1 °F
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