Windsor Weather Forecast

    • 11
    • 29

    Decreasing Clouds

    • 14
    • 26

    Mostly Sunny

    • 16
    • 31

    Chance Snow

    • 10
    • 25

    Slight Chance Snow

    • 12
    • 20

    Mostly Cloudy

    • 12
    • 27

    Partly Sunny

Today 11 Dec Western And Central Hillsborough

Mostly cloudy this Morning, then becoming partly sunny. Highs around 30. Temperatures falling into the lower 20s this afternoon. West Winds 15 to 20 Mph. Gusts up to 35 Mph, increasing to 45 Mph this afternoon.

Tonight 11 Dec Western And Central Hillsborough

Partly cloudy in the Evening, then becoming mostly clear. Lows around 13. West Winds 15 to 20 Mph. Gusts up to 45 Mph, decreasing to 35 Mph after midnight. Wind chill Values as low as 3 below.

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Windsor Temperature Statistics

December Temperature

Keene, Dillant-Hopkins Airport (20.5 miles)

  • Lowest 9 December, 2025

    -9 °F

  • Average December

    21.2 °F

  • Highest 1 December, 2025

    37.9 °F

Climate (2020–Present)

Keene, Dillant-Hopkins Airport (20.5 miles)

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  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    58.9 °F
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