Winchester Weather Forecast

    • 22
    • 44

    Mostly Sunny

    • 25
    • 34

    Partly Sunny

    • 29
    • 38

    Rain/Snow

    • 24
    • 37

    Partly Sunny

    • 29
    • 39

    Mostly Cloudy

    • 28
    • 41

    Chance Rain

Today 21 Dec Southeast Middlesex

Mostly sunny. Highs in the mid 40s. Temperature falling into the mid 30s in the afternoon. Southwest Winds 10 to 15 Mph, becoming west in the afternoon. Gusts up to 30 Mph.

Tonight 21 Dec Southeast Middlesex

Partly cloudy. Lows in the lower 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

Winchester Temperature Statistics

December Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 9 December, 2025

    3.9 °F

  • Average December

    28.5 °F

  • Highest 18 December, 2025

    48 °F

Climate (2020–Present)

Laurence G Hanscom Field Airport (8.1 miles)

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  • Average Low 2020–2025

    41.6 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    61.9 °F
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