Lake Katonah Weather Forecast

    • 24
    • 30

    Increasing Clouds

    • 26
    • 40

    Rain/Snow

    • 20
    • 32

    Partly Sunny

    • 22
    • 34

    Chance Snow

    • 26
    • 38

    Chance Snow

    • 15
    • 33

    Partly Sunny

    • 17
    • 27

    Partly Sunny

Today 9 Dec Northern Westchester

Partly sunny. Cold with Highs in the upper 20s. South Winds 5 to 10 Mph.

Tonight 9 Dec Northern Westchester

Mostly cloudy. Not as cool with Lows in the mid 20s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Katonah Temperature Statistics

December Temperature

Danbury, Danbury Municipal Airport (10.6 miles)

  • Lowest 5 December, 2025

    12 °F

  • Average December

    31.2 °F

  • Highest 6 December, 2025

    43 °F

Climate (2020–Present)

Danbury, Danbury Municipal Airport (10.6 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    63.3 °F
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