Windsor Weather Forecast

    • 20
    • 54

    Rain

    • 26
    • 34

    Partly Sunny

    • 15
    • 38

    Partly Sunny

    • 13
    • 24

    Partly Sunny

    • 22
    • 31

    Chance Snow

    • 15
    • 32

    Partly Sunny

Today 19 Dec Western And Central Hillsborough

Areas of fog in the morning. Rain. Highs in the mid 50s. Temperatures falling into the mid 40s in the afternoon. South Winds 10 to 15 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

Tonight 19 Dec Western And Central Hillsborough

Cloudy with a 50 percent chance of rain. Areas of fog. Lows in the lower 30s. Temperatures rising into the mid 40s. South Winds around 10 Mph with Gusts up to 30 Mph.

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Windsor Temperature Statistics

December Temperature

Keene, Dillant-Hopkins Airport (20.5 miles)

  • Lowest 9 December, 2025

    -9 °F

  • Average December

    22.3 °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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