Gem Lake Weather Forecast

    • 39
    • 53

    Mostly Sunny

    • 40
    • 56

    Mostly Sunny

    • 38
    • 53

    Mostly Sunny

    • 41
    • 56

    Mostly Sunny

    • 46
    • 62

    Partly Sunny

    • 47
    • 68

    Mostly Sunny

Today 11 Jun Lower Hells Canyon/Salmon River Region

Sunny. Highs in the 70s to lower 80s.

Tonight 11 Jun Lower Hells Canyon/Salmon River Region

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gem Lake Temperature Statistics

June Temperature

McCall Airport (37.3 miles)

  • Lowest 8 June, 2026

    33.1 °F

  • Average June

    53.8 °F

  • Highest 5 June, 2026

    74.6 °F

Climate (2021–Present)

McCall Airport (37.3 miles)

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  • Average Low 2021–2026

    31.1 °F

  • Average 2021–2026

    43.1 °F

  • Average High 2021–2026

    55.1 °F
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