Gem Lake Weather Forecast

    • 49
    • 59

    Mostly Sunny

    • 40
    • 61

    Slight Chance Rain

    • 40
    • 53

    Partly Sunny

    • 32
    • 53

    Rain/Snow Likely

    • 32
    • 36

    Chance Snow

    • 33
    • 44

    Mostly Sunny

    • 36
    • 48

    Mostly Sunny

Today 9 Sep Lower Hells Canyon/Salmon River Region

Sunny. Highs in the mid 70s to upper 80s.

Tonight 9 Sep Lower Hells Canyon/Salmon River Region

Mostly clear. Lows in the mid 50s to lower 60s. South Winds 15 to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Gem Lake Temperature Statistics

September Temperature

McCall Airport (37.3 miles)

  • Lowest 5 September, 2026

    34.6 °F

  • Average September

    51.4 °F

  • Highest 1 September, 2026

    73.7 °F

Climate (2021–2026)

McCall Airport (37.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    31 °F

  • Average 2021–2026

    43 °F

  • Average High 2021–2026

    55 °F
Get WillyWeather+ to remove ads