Tupper Lake Weather Forecast

    • 36
    • 53

    Increasing Clouds

    • 43
    • 54

    Rain Showers

    • 42
    • 57

    Rain Showers

    • 43
    • 63

    Chance Rain Showers

    • 45
    • 69

    Slight Chance Rain Showers

    • 46
    • 67

    Chance Rain Showers

Today 12 May Southeastern St. Lawrence

Mostly sunny. Highs in the mid 50s. Light and variable Winds, becoming northwest around 10 Mph this afternoon.

Tonight 12 May Southeastern St. Lawrence

Partly cloudy until Midnight, then becoming cloudy. Lows in the upper 30s. Light and variable Winds, becoming southeast around 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tupper Lake Temperature Statistics

May Temperature

Saranac Lake, Adirondack Regional Airport (21.7 miles)

  • Lowest 9 May, 2026

    21 °F

  • Average May

    43.7 °F

  • Highest 5 May, 2026

    71.7 °F

Climate (2021–Present)

Saranac Lake, Adirondack Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    30.9 °F

  • Average 2021–2026

    42.6 °F

  • Average High 2021–2026

    53.5 °F
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