Jefferson Weather Forecast

    • 28
    • 34

    Increasing Clouds

    • 18
    • 40

    Partly Sunny

    • 22
    • 31

    Partly Sunny

    • 27
    • 35

    Snow Likely

    • 21
    • 34

    Slight Chance Snow

    • 26
    • 37

    Chance Rain

    • 25
    • 39

    Chance Rain

Today 20 Dec Northern Worcester

Partly sunny and much cooler. Near steady temperature in the lower 30s. Southwest Winds 5 to 10 Mph.

Tonight 20 Dec Northern Worcester

Mostly cloudy. Near steady temperature in the lower 30s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jefferson Temperature Statistics

December Temperature

Worcester, Worcester Regional Airport (6.2 miles)

  • Lowest 5 December, 2025

    5 °F

  • Average December

    26 °F

  • Highest 18 December, 2025

    44.1 °F

Climate (2020–Present)

Worcester, Worcester Regional Airport (6.2 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    58.8 °F
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