South Mountain County Park Weather Forecast

    • 61
    • 91

    Chance Rain Showers

    • 58
    • 74

    Partly Sunny

    • 61
    • 76

    Partly Sunny

    • 59
    • 77

    Slight Chance Rain Showers

    • 59
    • 79

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 65
    • 84

    Chance Rain Showers

Today 17 Aug Rockland

Mostly cloudy with a chance of Showers with isolated Thunderstorms. Some Thunderstorms may produce gusty Winds. Near steady temperature around 90. Southwest Winds around 5 Mph. Chance of rain 30 percent. Heat index Values in the upper 90s.

Tonight 17 Aug Rockland

Mostly cloudy. A chance of Showers with isolated Thunderstorms this evening. Some Thunderstorms may produce gusty Winds this evening. Lows in the lower 60s. Northwest Winds 5 to 10 Mph, becoming north with Gusts up to 25 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Mountain County Park Temperature Statistics

August Temperature

White Plains - Westchester County Airport (18.6 miles)

  • Lowest 9 August, 2025

    56.6 °F

  • Average August

    73.3 °F

  • Highest 12 August, 2025

    90.6 °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

    54.1 °F

  • Average High 2020–2025

    62.3 °F
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