Seiad Valley Weather Forecast

    • 53
    • 88

    Increasing Clouds

    • 48
    • 80

    Chance Rain Showers

    • 53
    • 89

    Sunny

    • 55
    • 95

    Sunny

    • 52
    • 88

    Mostly Sunny

    • 50
    • 83

    Mostly Sunny

Today 13 Sep Western Siskiyou County

Sunny. Highs in the mid 70s to mid 80s. Southeast Winds around 5 Mph shifting to the southwest in the afternoon.

Tonight 13 Sep Western Siskiyou County

Partly cloudy. A 20 percent chance of Thunderstorms after midnight. Lows in the mid 40s to mid 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seiad Valley Temperature Statistics

September Temperature

Montague Siskiyou County Airport (37.3 miles)

  • Lowest 1 September, 2025

    48 °F

  • Average September

    69.8 °F

  • Highest 1 September, 2025

    95 °F

Climate (2020–Present)

Montague Siskiyou County Airport (37.3 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    69 °F
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