Salmon Mountain Weather Forecast

    • 49
    • 61

    Mostly Sunny

    • 52
    • 63

    Partly Sunny

    • 45
    • 62

    Chance Rain

    • 41
    • 49

    Partly Sunny

    • 44
    • 56

    Partly Sunny

    • 41
    • 52

    Mostly Sunny

Today 22 Sep Northeastern Interior Humboldt

Partly cloudy. Patchy valley fog in the morning. Highs 72 to 87.

Tonight 22 Sep Northeastern Interior Humboldt

Partly cloudy. Patchy valley fog overnight. Lows 45 to 55.

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Salmon Mountain Temperature Statistics

September Temperature

Arcata / Eureka, Arcata Airport (38.5 miles)

  • Lowest 5 September, 2026

    46.7 °F

  • Average September

    58.5 °F

  • Highest 9 September, 2026

    75.7 °F

Climate (2021–2026)

Arcata / Eureka, Arcata Airport (38.5 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    59.8 °F
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