Lake Siskiyou Weather Forecast

    • 58
    • 91

    Sunny

    • 58
    • 89

    Mostly Sunny

    • 58
    • 90

    Sunny

    • 57
    • 90

    Sunny

    • 57
    • 89

    Mostly Sunny

    • 56
    • 87

    Sunny

Today 16 Jul South Central Siskiyou County

Sunny. Haze through the day. Patchy smoke late this afternoon. Highs in the lower 80s to lower 90s. Southeast Winds around 5 Mph shifting to the south this afternoon.

Tonight 16 Jul South Central Siskiyou County

Clear. Patchy smoke in the evening. Haze through the night. Lows in the lower 50s to lower 60s. Southwest Winds 5 to 10 Mph.

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Lake Siskiyou Temperature Statistics

July Temperature

Mount Shasta (2.5 miles)

  • Lowest 5 July, 2025

    46.7 °F

  • Average July

    71.4 °F

  • Highest 13 July, 2025

    97 °F

Climate (2020–Present)

Mount Shasta (2.5 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    65.7 °F
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