Winchester Weather Forecast

    • 29
    • 36

    Increasing Clouds

    • 24
    • 50

    Rain Likely

    • 22
    • 29

    Mostly Cloudy

    • 23
    • 34

    Mostly Cloudy

    • 16
    • 30

    Chance Snow

    • 15
    • 26

    Partly Sunny

Today 28 Dec Southeast Middlesex

Mostly sunny. Not as cool with Highs in the upper 30s. West Winds around 5 Mph.

Tonight 28 Dec Southeast Middlesex

Rain with freezing rain likely. Not as cool with Lows in the upper 20s. Southwest Winds around 5 Mph. Chance of precipitation 90 percent.

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Winchester Temperature Statistics

December Temperature

Laurence G Hanscom Field Airport (8.1 miles)

  • Lowest 9 December, 2025

    3.9 °F

  • Average December

    29.8 °F

  • Highest 19 December, 2025

    59 °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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