Acton Weather Forecast

    • 24
    • 32

    Increasing Clouds

    • 29
    • 35

    Snow

    • 20
    • 38

    Mostly Cloudy

    • 31
    • 40

    Chance Snow

    • 24
    • 36

    Rain Likely

    • 24
    • 36

    Chance Snow

Today 22 Dec Central Middlesex County

Sunny, cooler. Near steady temperature in the lower 30s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 22 Dec Central Middlesex County

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 20s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Acton Temperature Statistics

December Temperature

Laurence G Hanscom Field Airport (6.8 miles)

  • Lowest 9 December, 2025

    3.9 °F

  • Average December

    29.7 °F

  • Highest 19 December, 2025

    59 °F

Climate (2020–Present)

Laurence G Hanscom Field Airport (6.8 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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