Sterling Mountain Weather Forecast

    • 42
    • 59

    Becoming Sunny

    • 48
    • 60

    Mostly Cloudy

    • 42
    • 64

    Chance Rain

    • 36
    • 46

    Partly Sunny

    • 40
    • 52

    Partly Sunny

    • 38
    • 50

    Mostly Sunny

Today 22 Sep Central Siskiyou County

Partly cloudy in the morning then clearing. Highs in the lower 70s to lower 80s. North Winds 5 to 10 Mph.

Tonight 22 Sep Central Siskiyou County

Mostly clear. Lows in the mid 40s to lower 50s. North Winds 5 to 10 Mph.

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Sterling Mountain Temperature Statistics

September Temperature

Montague Siskiyou County Airport (24.2 miles)

  • Lowest 4 September, 2026

    35.7 °F

  • Average September

    60.3 °F

  • Highest 10 September, 2026

    94.6 °F

Climate (2021–2026)

Montague Siskiyou County Airport (24.2 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    69 °F
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