McArthur Lake Weather Forecast

    • 52
    • 78

    Gradual Clearing

    • 59
    • 90

    Partly Sunny

    • 63
    • 94

    Slight Chance Rain Showers

    • 60
    • 92

    Slight Chance Rain Showers

    • 60
    • 89

    Slight Chance Thunderstorms

    • 59
    • 89

    Mostly Sunny

Today 12 Jul Northern Panhandle

Mostly cloudy. Highs in the mid 70s to lower 80s. Southwest wind 5 to 15 Mph in the afternoon.

Tonight 12 Jul Northern Panhandle

Mostly clear. Lows in the upper 40s to mid 50s. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McArthur Lake Temperature Statistics

July Temperature

Sandpoint, Sandpoint Airport (15.5 miles)

  • Lowest 2 July, 2026

    42.8 °F

  • Average July

    66.3 °F

  • Highest 7 July, 2026

    87.8 °F

Climate (2021–2026)

Sandpoint, Sandpoint Airport (15.5 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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