Salmon Weather Forecast

    • 37
    • 81

    Mostly Sunny

    • 41
    • 79

    Partly Sunny

    • 41
    • 80

    Partly Sunny

    • 27
    • 66

    Rain/Snow

    • 26
    • 48

    Chance Rain/Snow

    • 25
    • 53

    Slight Chance Rain/Snow

    • 30
    • 60

    Chance Rain

Today 7 Oct Eastern Lemhi County

Mostly cloudy with a 30 percent chance of rain and snow. Highs in the upper 40s to mid 50s.

Tonight 7 Oct Eastern Lemhi County

Mostly clear. Lows in the upper 30s to mid 40s.

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Salmon Temperature Statistics

October Temperature

Salmon, Lemhi County Airport (3.7 miles)

  • Lowest 4 October, 2026

    36 °F

  • Average October

    55.6 °F

  • Highest 5 October, 2026

    81 °F

Climate (2021–2026)

Salmon, Lemhi County Airport (3.7 miles)

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  • Average Low 2021–2026

    33.1 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    59.2 °F
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