Mystic Lake Weather Forecast

    • 56
    • 76

    Mostly Sunny

    • 56
    • 80

    Sunny

    • 56
    • 81

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 54
    • 75

    Partly Sunny

    • 48
    • 67

    Partly Sunny

Today 16 Sep Northeast Mountains

Patchy fog in the morning. Sunny. Highs in the upper 70s to lower 80s.

Tonight 16 Sep Northeast Mountains

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

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Mystic Lake Temperature Statistics

September Temperature

Sandpoint, Sandpoint Airport (26.7 miles)

  • Lowest 10 September, 2025

    48.2 °F

  • Average September

    68 °F

  • Highest 1 September, 2025

    95 °F

Climate (2020–Present)

Sandpoint, Sandpoint Airport (26.7 miles)

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  • Average Low 2020–2025

    36.8 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    56.9 °F
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