Shirley Center Weather Forecast

    • 24
    • 29

    Snow Likely

    • 13
    • 28

    Slight Chance Snow

    • 12
    • 25

    Partly Sunny

    • 16
    • 28

    Partly Sunny

    • 9
    • 30

    Partly Sunny

    • 16
    • 25

    Chance Snow

    • 23
    • 35

    Slight Chance Snow

Today 31 Dec Northwest Middlesex County

Mostly cloudy and cold. Near steady temperature in the upper 20s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 31 Dec Northwest Middlesex County

A chance of snow this Evening, then snow after midnight. Snow accumulation of 1 to 3 Inches. Near steady temperature in the mid 20s. South Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of snow near 100 percent.

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Shirley Center Temperature Statistics

December Temperature

Fitchburg, Fitchburg Municipal Airport (5 miles)

  • Lowest 9 December, 2025

    1.9 °F

  • Average December

    27.4 °F

  • Highest 19 December, 2025

    57.9 °F

Climate (2021–Present)

Fitchburg, Fitchburg Municipal Airport (5 miles)

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  • Average Low 2021–2025

    41.7 °F

  • Average 2021–2025

    51.8 °F

  • Average High 2021–2025

    61.7 °F
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