Salmon Weather Forecast

    • 29
    • 61

    Mostly Sunny

    • 30
    • 65

    Partly Sunny

    • 32
    • 63

    Partly Sunny

    • 37
    • 66

    Chance Rain

    • 30
    • 57

    Rain/Snow Likely

    • 23
    • 49

    Chance Rain/Snow

Today 21 Oct Eastern Lemhi County

Mostly sunny. Highs in the 50s.

Tonight 21 Oct Eastern Lemhi County

Mostly clear. Lows in the upper 20s to mid 30s.

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Salmon Temperature Statistics

October Temperature

Salmon, Lemhi County Airport (3.7 miles)

  • Lowest 6 October, 2025

    27 °F

  • Average October

    48.1 °F

  • Highest 10 October, 2025

    78.1 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (3.7 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    45.3 °F

  • Average High 2020–2025

    58.3 °F
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