Thompson Bay Weather Forecast

    • 46
    • 74

    Chance Thunderstorms

    • 35
    • 60

    Partly Sunny

    • 54
    • 67

    Mostly Cloudy

    • 57
    • 74

    Chance Rain Showers

    • 52
    • 72

    Rain Showers Likely

    • 45
    • 68

    Slight Chance Rain Showers

Today 13 Sep Southeastern St. Lawrence

Mostly cloudy this Morning, then becoming partly sunny. A chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Highs in the mid 70s. Southwest Winds around 10 Mph. Chance of rain 50 percent.

Tonight 13 Sep Southeastern St. Lawrence

Partly cloudy with a 50 percent chance of Showers. Less humid with Lows in the upper 40s. West Winds around 10 Mph.

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Thompson Bay Temperature Statistics

September Temperature

Saranac Lake, Adirondack Regional Airport (32.9 miles)

  • Lowest 7 September, 2026

    37.7 °F

  • Average September

    60.4 °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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