Ashby Weather Forecast

    • 16
    • 45

    Rain Likely

    • 17
    • 21

    Mostly Cloudy

    • 15
    • 28

    Chance Snow Showers

    • 9
    • 21

    Mostly Sunny

    • 13
    • 23

    Mostly Sunny

    • 11
    • 27

    Slight Chance Snow Showers

    • 12
    • 25

    Slight Chance Snow Showers

Today 29 Dec Northwest Middlesex County

Rain likely. Patchy fog. Not as cool. Near steady temperature in the mid 40s. Southwest Winds 5 to 10 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

Tonight 29 Dec Northwest Middlesex County

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 18. West Winds 15 to 20 Mph with Gusts up to 45 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

    27.2 °F

  • Highest 19 December, 2025

    57.9 °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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