Sudbury Weather Forecast

    • 22
    • 29

    Chance Snow Showers

    • 31
    • 44

    Rain

    • 21
    • 33

    Slight Chance Snow Showers

    • 22
    • 32

    Slight Chance Snow Showers

    • 23
    • 36

    Chance Snow

    • 13
    • 31

    Slight Chance Snow Showers

Today 9 Dec Central Middlesex County

Sunny, cold with Highs in the upper 20s. Light and variable Winds, becoming southwest around 5 Mph this afternoon.

Tonight 9 Dec Central Middlesex County

Mostly cloudy. A chance of snow Showers, mainly in the evening. Not as cool with Lows in the lower 20s. Southwest Winds 10 to 15 Mph. Gusts up to 20 Mph in the evening. Chance of snow 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sudbury Temperature Statistics

December Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 5 December, 2025

    8.1 °F

  • Average December

    28.7 °F

  • Highest 1 December, 2025

    42.1 °F

Climate (2020–Present)

Laurence G Hanscom Field Airport (8.1 miles)

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  • Average Low 2020–2025

    41.6 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    61.9 °F
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