Mystic Lake Weather Forecast

    • 48
    • 71

    Mostly Sunny

    • 49
    • 72

    Mostly Sunny

    • 50
    • 74

    Mostly Sunny

    • 50
    • 73

    Partly Sunny

    • 48
    • 67

    Partly Sunny

    • 47
    • 64

    Partly Sunny

Today 18 Sep Northeast Mountains

Sunny. Highs in the 70s.

Tonight 18 Sep Northeast Mountains

Mostly clear. Lows in the mid 40s to lower 50s.

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Mystic Lake Temperature Statistics

September Temperature

Sandpoint, Sandpoint Airport (26.7 miles)

  • Lowest 5 September, 2026

    37.4 °F

  • Average September

    56.4 °F

  • Highest 1 September, 2026

    77 °F

Climate (2021–2026)

Sandpoint, Sandpoint Airport (26.7 miles)

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  • Average Low 2021–2026

    37.1 °F

  • Average 2021–2026

    47 °F

  • Average High 2021–2026

    57 °F
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