Upper Lake Cohasset Weather Forecast

    • 50
    • 59

    Rain Showers

    • 51
    • 67

    Partly Sunny

    • 55
    • 71

    Partly Sunny

    • 60
    • 75

    Partly Sunny

    • 52
    • 74

    Mostly Cloudy

    • 50
    • 65

    Partly Sunny

Today 28 Sep Orange

Showers with a slight chance of Thunderstorms this Morning, then Showers likely this afternoon. Patchy fog. Highs in the lower 60s. North Winds 10 to 15 Mph. Gusts up to 30 Mph, decreasing to 20 Mph this afternoon. Chance of rain near 100 percent.

Tonight 28 Sep Orange

Mostly cloudy with a slight chance of Showers in the Evening, then partly cloudy after midnight. Patchy fog. Lows in the lower 50s. North Winds 5 to 10 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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Upper Lake Cohasset Temperature Statistics

September Temperature

Newburgh / Stewart (15.5 miles)

  • Lowest 15 September, 2026

    46.4 °F

  • Average September

    66.2 °F

  • Highest 10 September, 2026

    84.2 °F

Climate (2021–2026)

Newburgh / Stewart (15.5 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    61.3 °F
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