Ashby Weather Forecast

    • 28
    • 34

    Mostly Cloudy

    • 17
    • 38

    Partly Sunny

    • 20
    • 29

    Snow Likely

    • 25
    • 35

    Snow

    • 19
    • 33

    Mostly Cloudy

    • 25
    • 36

    Chance Wintry Mix

    • 23
    • 36

    Chance Wintry Mix

Today 20 Dec Northwest Middlesex County

Partly sunny and much cooler. Near steady temperature in the mid 30s. Southwest Winds 5 to 10 Mph.

Tonight 20 Dec Northwest Middlesex County

Mostly cloudy. Near steady temperature in the lower 30s. Southwest Winds 10 to 15 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ashby Temperature Statistics

December Temperature

Fitchburg, Fitchburg Municipal Airport (9.3 miles)

  • Lowest 9 December, 2025

    1.9 °F

  • Average December

    26.9 °F

  • Highest 17 December, 2025

    45 °F

Climate (2020–Present)

Fitchburg, Fitchburg Municipal Airport (9.3 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    61.7 °F
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