South Mountain County Park Weather Forecast

    • 56
    • 81

    Thunderstorms

    • 52
    • 69

    Slight Chance Rain Showers

    • 46
    • 70

    Mostly Sunny

    • 49
    • 66

    Mostly Cloudy

    • 47
    • 59

    Rain Showers Likely

    • 48
    • 57

    Rain Showers Likely

Today 17 May Rockland

Partly sunny with scattered Showers and Thunderstorms. Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph, increasing to 30 Mph this afternoon. Chance of rain 40 percent.

Tonight 17 May Rockland

Mostly cloudy with scattered Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Less humid with Lows in the mid 50s. West Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening. Chance of rain 40 percent.

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South Mountain County Park Temperature Statistics

May Temperature

White Plains - Westchester County Airport (18.6 miles)

  • Lowest 1 May, 2025

    45.6 °F

  • Average May

    61.9 °F

  • Highest 2 May, 2025

    83.6 °F

Climate (2020–Present)

White Plains - Westchester County Airport (18.6 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    62.3 °F
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