Upper Priest Lake Weather Forecast

    • 45
    • 66

    Mostly Sunny

    • 50
    • 74

    Mostly Cloudy

    • 46
    • 73

    Chance Rain Showers

    • 46
    • 65

    Chance Rain Showers

    • 43
    • 64

    Chance Rain Showers

    • 44
    • 65

    Chance Rain Showers

    • 45
    • 67

    Partly Sunny

Today 8 Sep Northern Panhandle

Partly cloudy. Highs in the mid 60s to lower 70s.

Tonight 8 Sep Northern Panhandle

Partly cloudy. Areas of fog overnight. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Priest Lake Temperature Statistics

September Temperature

Boundary County Airport (27.3 miles)

  • Lowest 5 September, 2026

    42.8 °F

  • Average September

    57.1 °F

  • Highest 1 September, 2026

    78.8 °F

Climate (2021–2026)

Boundary County Airport (27.3 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    56.7 °F
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