Lower Sister Lake Weather Forecast

    • 46
    • 66

    Slight Chance Thunderstorms

    • 44
    • 62

    Slight Chance Rain Showers

    • 48
    • 67

    Rain Showers Likely

    • 41
    • 58

    Chance Rain Showers

    • 43
    • 60

    Chance Rain Showers

    • 43
    • 65

    Mostly Sunny

    • 46
    • 69

    Mostly Sunny

Today 26 Aug Hamilton

Mostly sunny. Near steady temperature in the mid 60s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 26 Aug Hamilton

Partly cloudy. Patchy fog. Lows in the mid 40s. West Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Sister Lake Temperature Statistics

August Temperature

Saranac Lake, Adirondack Regional Airport (45.4 miles)

  • Lowest 21 August, 2025

    34.6 °F

  • Average August

    62.8 °F

  • Highest 12 August, 2025

    91.7 °F

Climate (2020–Present)

Saranac Lake, Adirondack Regional Airport (45.4 miles)

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  • Average Low 2020–2025

    31.3 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    53.6 °F
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