Siskiyou Mountain Park Weather Forecast

    • 50
    • 81

    Increasing Clouds

    • 48
    • 76

    Mostly Sunny

    • 50
    • 83

    Mostly Sunny

    • 49
    • 80

    Mostly Sunny

    • 51
    • 83

    Mostly Sunny

    • 50
    • 84

    Mostly Sunny

Today 7 May Jackson County

Sunny. Highs in the lower to mid 80s in the Valleys and in the lower 70s to lower 80s at higher Elevations. East Winds around 5 Mph early in the morning becoming Light, then becoming west 5 to 10 Mph in the afternoon.

Tonight 7 May Jackson County

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 40s to lower 50s. Northwest Winds 5 to 10 Mph.

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Siskiyou Mountain Park Temperature Statistics

May Temperature

Montague Siskiyou County Airport (28.6 miles)

  • Lowest 1 May, 2026

    38.6 °F

  • Average May

    62.1 °F

  • Highest 1 May, 2026

    81.6 °F

Climate (2021–Present)

Montague Siskiyou County Airport (28.6 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    69.2 °F
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