Big Lake Weather Forecast

    • 43
    • 71

    Mostly Sunny

    • 45
    • 79

    Mostly Sunny

    • 44
    • 80

    Mostly Sunny

    • 47
    • 80

    Mostly Sunny

    • 49
    • 82

    Partly Sunny

    • 49
    • 83

    Mostly Sunny

Today 28 Jun Central Siskiyou County

Partly cloudy early this morning then becoming sunny. Highs in the lower 60s to lower 70s. North Winds 10 to 15 Mph.

Tonight 28 Jun Central Siskiyou County

Mostly clear. Lows in the lower to mid 40s. North Winds 10 to 15 Mph decreasing to around 5 Mph well after midnight.

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Big Lake Temperature Statistics

June Temperature

Montague Siskiyou County Airport (16.8 miles)

  • Lowest 1 June, 2026

    38.6 °F

  • Average June

    68.3 °F

  • Highest 15 June, 2026

    98.7 °F

Climate (2021–2026)

Montague Siskiyou County Airport (16.8 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    69.2 °F
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