Thompson Bay Weather Forecast

    • 18
    • 36

    Chance Snow Showers

    • 33
    • 46

    Chance Snow Showers

    • 31
    • 54

    Partly Sunny

    • 33
    • 55

    Mostly Cloudy

    • 37
    • 56

    Partly Sunny

    • 37
    • 60

    Chance Rain Showers

Today 20 Apr Southeastern St. Lawrence

Partly sunny. Highs in the mid 30s. Northwest Winds around 10 Mph.

Tonight 20 Apr Southeastern St. Lawrence

Partly cloudy until Midnight, then clearing. Lows around 19. Light and variable Winds.

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Thompson Bay Temperature Statistics

April Temperature

Saranac Lake, Adirondack Regional Airport (32.9 miles)

  • Lowest 8 April, 2026

    -2.3 °F

  • Average April

    42.2 °F

  • Highest 18 April, 2026

    73 °F

Climate (2021–Present)

Saranac Lake, Adirondack Regional Airport (32.9 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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