Ashby Weather Forecast

    • 17
    • 28

    Increasing Clouds

    • 24
    • 38

    Rain/Snow

    • 17
    • 29

    Slight Chance Snow Showers

    • 17
    • 28

    Slight Chance Snow Showers

    • 18
    • 32

    Chance Snow

    • 9
    • 26

    Slight Chance Snow Showers

Today 9 Dec Northwest Middlesex County

Partly sunny. Cold with Highs in the upper 20s. Southwest Winds around 5 Mph.

Tonight 9 Dec Northwest Middlesex County

Mostly cloudy with a 20 percent chance of snow. Not as cool with Lows around 18. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ashby Temperature Statistics

December Temperature

Fitchburg, Fitchburg Municipal Airport (9.3 miles)

  • Lowest 5 December, 2025

    6.1 °F

  • Average December

    27.2 °F

  • Highest 1 December, 2025

    39.9 °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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