Shirley Center Weather Forecast

    • 24
    • 59

    Rain

    • 28
    • 37

    Slight Chance Snow

    • 18
    • 42

    Slight Chance Rain

    • 19
    • 32

    Partly Sunny

    • 27
    • 37

    Chance Snow

Today 19 Dec Northwest Middlesex County

Rain. Patchy fog. Not as cool with Highs in the upper 50s. Temperature falling into the upper 40s late. Southwest Winds 15 to 20 Mph with Gusts up to 45 Mph. Chance of rain 90 percent.

Tonight 19 Dec Northwest Middlesex County

Partly cloudy with a chance of rain this Evening, then mostly clear after midnight. Cooler with Lows in the mid 20s. West Winds 15 to 20 Mph with Gusts up to 45 Mph. Chance of rain 40 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

    26.4 °F

  • Highest 17 December, 2025

    45 °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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