Upper Sister Lake Weather Forecast

    • 2
    • 16

    Slight Chance Snow Showers

    • 16
    • 25

    Partly Sunny

    • 25
    • 35

    Chance Snow

    • 22
    • 38

    Chance Snow

    • 20
    • 35

    Chance Snow

    • 15
    • 36

    Chance Snow

Today 17 Mar Hamilton

Partly sunny. Much Colder with Highs in the lower 20s. West Winds around 10 Mph with Gusts up to 35 Mph.

Tonight 17 Mar Hamilton

Mostly cloudy in the Evening, then clearing. Colder with Lows around 4 above. West Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Real-Time

Upper Sister Lake Temperature Statistics

March Temperature

Saranac Lake, Adirondack Regional Airport (44.7 miles)

  • Lowest 2 March, 2026

    -23.4 °F

  • Average March

    29.5 °F

  • Highest 10 March, 2026

    60.1 °F

Climate (2021–Present)

Saranac Lake, Adirondack Regional Airport (44.7 miles)

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  • Average Low 2021–2026

    31 °F

  • Average 2021–2026

    42.7 °F

  • Average High 2021–2026

    53.6 °F
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