Reservoir Number Three Weather Forecast

    • 29
    • 31

    Increasing Clouds

    • 31
    • 43

    Rain

    • 26
    • 38

    Partly Sunny

    • 27
    • 36

    Chance Snow

    • 26
    • 38

    Chance Snow

    • 17
    • 33

    Partly Sunny

Today 9 Dec Southern Westchester

Partly cloudy. Highs in the lower 30s. North Winds around 5 Mph, becoming south this afternoon.

Tonight 9 Dec Southern Westchester

Mostly cloudy. Lows in the upper 20s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Reservoir Number Three Temperature Statistics

December Temperature

White Plains - Westchester County Airport (9.3 miles)

  • Lowest 5 December, 2025

    14 °F

  • Average December

    32.6 °F

  • Highest 1 December, 2025

    43 °F

Climate (2020–Present)

White Plains - Westchester County Airport (9.3 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    62.3 °F
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