Au Sable Forks Weather Forecast

    • 38
    • 68

    Partly Sunny

    • 42
    • 61

    Rain Likely

    • 45
    • 59

    Rain

    • 40
    • 57

    Mostly Cloudy

    • 40
    • 59

    Partly Sunny

    • 43
    • 64

    Partly Sunny

    • 46
    • 63

    Chance Rain Showers

Today 18 Sep Western Clinton

Partly sunny. Highs in the lower 60s.

Tonight 18 Sep Western Clinton

Mostly clear. Lows in the upper 30s. North Winds around 10 Mph.

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Au Sable Forks Temperature Statistics

September Temperature

Plattsburgh International Airport (17.4 miles)

  • Lowest 15 September, 2026

    43 °F

  • Average September

    64.7 °F

  • Highest 3 September, 2026

    82 °F

Climate (2021–2026)

Plattsburgh International Airport (17.4 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    55.8 °F
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