Thompson Bay Weather Forecast

    • 51
    • 72

    Increasing Clouds

    • 54
    • 72

    Mostly Cloudy

    • 60
    • 73

    Rain Showers

    • 46
    • 71

    Chance Rain Showers

    • 46
    • 65

    Mostly Sunny

    • 53
    • 73

    Slight Chance Rain Showers

Today 7 Sep Southeastern St. Lawrence

Sunny. Highs in the lower 70s. Light and variable Winds.

Tonight 7 Sep Southeastern St. Lawrence

Mostly clear until Midnight, then becoming partly cloudy. Lows in the lower 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thompson Bay Temperature Statistics

September Temperature

Saranac Lake, Adirondack Regional Airport (32.9 miles)

  • Lowest 2 September, 2026

    51.7 °F

  • Average September

    64 °F

  • Highest 3 September, 2026

    77.6 °F

Climate (2021–2026)

Saranac Lake, Adirondack Regional Airport (32.9 miles)

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  • Average Low 2021–2026

    30.7 °F

  • Average 2021–2026

    42.5 °F

  • Average High 2021–2026

    53.6 °F
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