Windsor Weather Forecast

    • 54
    • 79

    Becoming Sunny

    • 37
    • 71

    Mostly Sunny

    • 35
    • 66

    Mostly Sunny

    • 46
    • 70

    Partly Sunny

    • 55
    • 74

    Partly Sunny

    • 56
    • 81

    Slight Chance Rain Showers

Today 18 Sep Western And Central Hillsborough

Partly sunny. Isolated Showers in the morning. Highs in the upper 70s. Light and variable Winds. Chance of rain 20 percent.

Tonight 18 Sep Western And Central Hillsborough

Mostly cloudy with scattered Showers with isolated Thunderstorms. Lows in the lower 50s. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Windsor Temperature Statistics

September Temperature

Keene, Dillant-Hopkins Airport (20.5 miles)

  • Lowest 9 September, 2025

    37.9 °F

  • Average September

    61.3 °F

  • Highest 2 September, 2025

    80.1 °F

Climate (2020–Present)

Keene, Dillant-Hopkins Airport (20.5 miles)

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  • Average Low 2020–2025

    38.1 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    59 °F
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