Chellis Bay Weather Forecast

    • 61
    • 76

    Increasing Clouds

    • 59
    • 72

    Mostly Cloudy

    • 66
    • 74

    Rain Showers

    • 56
    • 75

    Slight Chance Rain Showers

    • 55
    • 68

    Mostly Sunny

    • 60
    • 75

    Partly Sunny

Today 7 Sep Eastern Clinton

Sunny. Highs in the upper 70s. Light and variable Winds, becoming northwest around 10 Mph this afternoon.

Tonight 7 Sep Eastern Clinton

Partly cloudy. A chance of Showers after midnight. Lows in the upper 50s. West Winds around 10 Mph until Midnight, becoming light and variable. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chellis Bay Temperature Statistics

September Temperature

Plattsburgh International Airport (11.8 miles)

  • Lowest 1 September, 2026

    59 °F

  • Average September

    69.2 °F

  • Highest 3 September, 2026

    82 °F

Climate (2021–2026)

Plattsburgh International Airport (11.8 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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