Shirley Center Weather Forecast

    • 16
    • 31

    Becoming Sunny

    • 16
    • 30

    Mostly Sunny

    • 21
    • 35

    Chance Snow

    • 14
    • 29

    Chance Snow

    • 15
    • 26

    Slight Chance Snow Showers

    • 16
    • 31

    Partly Sunny

    • 28
    • 39

    Mostly Cloudy

Today 11 Dec Northwest Middlesex County

Sunny, cooler with Highs in the lower 30s. Temperature falling into the mid 20s late. West Winds 10 to 15 Mph with Gusts up to 45 Mph.

Tonight 11 Dec Northwest Middlesex County

Mostly clear. Cooler with Lows around 15. West Winds 10 to 15 Mph with Gusts up to 50 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shirley Center Temperature Statistics

December Temperature

Fitchburg, Fitchburg Municipal Airport (5 miles)

  • Lowest 9 December, 2025

    1.9 °F

  • Average December

    25.1 °F

  • Highest 1 December, 2025

    39.9 °F

Climate (2020–Present)

Fitchburg, Fitchburg Municipal Airport (5 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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