South Lancaster Weather Forecast

    • 17
    • 25

    Decreasing Clouds

    • 21
    • 32

    Partly Sunny

    • 24
    • 42

    Partly Sunny

    • 37
    • 49

    Rain

    • 20
    • 54

    Chance Rain

    • 27
    • 35

    Chance Snow

    • 23
    • 42

    Slight Chance Snow

Today 15 Dec Northern Worcester

Partly sunny and cold. Near steady temperature in the lower 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 15 Dec Northern Worcester

Mostly cloudy. Lows around 14. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Lancaster Temperature Statistics

December Temperature

Fitchburg, Fitchburg Municipal Airport (8.1 miles)

  • Lowest 9 December, 2025

    1.9 °F

  • Average December

    26.5 °F

  • Highest 10 December, 2025

    42.1 °F

Climate (2020–Present)

Fitchburg, Fitchburg Municipal Airport (8.1 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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