Flat Rock State Forest Weather Forecast

    • 48
    • 80

    Increasing Clouds

    • 36
    • 64

    Slight Chance Rain Showers

    • 37
    • 62

    Mostly Sunny

    • 53
    • 73

    Partly Sunny

    • 57
    • 77

    Mostly Cloudy

    • 58
    • 80

    Chance Rain Showers

Today 18 Sep Western Clinton

Mostly sunny. Highs in the upper 70s. Light and variable Winds, becoming west around 10 Mph in the afternoon.

Tonight 18 Sep Western Clinton

Partly cloudy until Midnight, then becoming mostly cloudy. A 40 percent chance of Showers. Lows in the mid 40s. Northwest Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flat Rock State Forest Temperature Statistics

September Temperature

Plattsburgh International Airport (14.3 miles)

  • Lowest 9 September, 2025

    43 °F

  • Average September

    61.8 °F

  • Highest 4 September, 2025

    82.9 °F

Climate (2020–Present)

Plattsburgh International Airport (14.3 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    56.2 °F
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