Somerville Weather Forecast

    • 25
    • 39

    Chance Snow

    • 13
    • 39

    Mostly Cloudy

    • 18
    • 24

    Snow Likely

    • 22
    • 29

    Chance Snow

    • 27
    • 40

    Rain Likely

    • 19
    • 34

    Slight Chance Snow

Today 24 Dec Southeast Middlesex

Mostly cloudy. A slight chance of snow Showers in the afternoon. Blustery with Highs in the upper 30s. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of snow 20 percent.

Tonight 24 Dec Southeast Middlesex

Cloudy with a chance of rain and snow. Patchy fog. Near steady temperature in the lower 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 50 percent.

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Somerville Temperature Statistics

December Temperature

Boston, Logan International Airport (4.3 miles)

  • Lowest 5 December, 2025

    12 °F

  • Average December

    33 °F

  • Highest 19 December, 2025

    59 °F

Climate (2020–Present)

Boston, Logan International Airport (4.3 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.1 °F
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