New Rochelle Weather Forecast

    • 29
    • 43

    Mostly Sunny

    • 35
    • 38

    Partly Sunny

    • 37
    • 41

    Rain/Snow

    • 35
    • 41

    Mostly Cloudy

    • 39
    • 42

    Chance Rain

    • 32
    • 45

    Slight Chance Rain

Today 21 Dec Southern Westchester

Sunny. Highs in the lower 40s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 21 Dec Southern Westchester

Mostly clear. Lows in the mid 20s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Rochelle Temperature Statistics

December Temperature

New York, La Guardia Airport (9.3 miles)

  • Lowest 5 December, 2025

    19.9 °F

  • Average December

    34.1 °F

  • Highest 18 December, 2025

    50 °F

Climate (2020–Present)

New York, La Guardia Airport (9.3 miles)

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  • Average Low 2020–2025

    51.5 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    64.6 °F
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