Siskiyou Mountain Park Weather Forecast

    • 56
    • 89

    Sunny

    • 59
    • 95

    Sunny

    • 53
    • 86

    Mostly Sunny

    • 52
    • 85

    Sunny

    • 59
    • 94

    Sunny

    • 62
    • 98

    Hot

Today 30 Jul Jackson County

Sunny then becoming partly cloudy late this morning then becoming sunny. Highs around 90 in the Valleys and in the mid 70s to mid 80s at higher Elevations. Northeast Winds around 5 Mph shifting to the west in the late morning and afternoon.

Tonight 30 Jul Jackson County

Clear. Lows in the lower to mid 50s. Northwest Winds 10 to 15 Mph shifting to the north around 5 Mph after midnight.

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Siskiyou Mountain Park Temperature Statistics

July Temperature

Montague Siskiyou County Airport (28.6 miles)

  • Lowest 1 July, 2026

    40.6 °F

  • Average July

    74.2 °F

  • Highest 14 July, 2026

    97.6 °F

Climate (2021–2026)

Montague Siskiyou County Airport (28.6 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    69.1 °F
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