Upper Sister Lake Weather Forecast

    • 36
    • 49

    Rain Showers

    • 34
    • 46

    Rain Showers

    • 31
    • 43

    Rain Showers

    • 29
    • 43

    Slight Chance Rain Showers

    • 26
    • 45

    Partly Sunny

    • 29
    • 48

    Partly Sunny

Today 22 Oct Hamilton

Showers likely in the Morning, then Showers in the afternoon. Highs in the lower 50s. Temperature falling into the upper 40s in the afternoon. Southwest Winds around 5 Mph. Chance of rain 80 percent.

Tonight 22 Oct Hamilton

Mostly cloudy with a 50 percent chance of Showers. Lows in the mid 30s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Sister Lake Temperature Statistics

October Temperature

Saranac Lake, Adirondack Regional Airport (44.7 miles)

  • Lowest 10 October, 2025

    19.9 °F

  • Average October

    49.4 °F

  • Highest 5 October, 2025

    82 °F

Climate (2020–Present)

Saranac Lake, Adirondack Regional Airport (44.7 miles)

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  • Average Low 2020–2025

    31.3 °F

  • Average 2020–2025

    43 °F

  • Average High 2020–2025

    53.7 °F
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