Big Lake Weather Forecast

    • 48
    • 86

    Partly Sunny

    • 55
    • 89

    Mostly Sunny

    • 52
    • 88

    Breezy

    • 48
    • 80

    Chance Rain Showers

    • 45
    • 78

    Mostly Sunny

    • 41
    • 74

    Partly Sunny

Today 10 May Central Siskiyou County

Partly cloudy. Highs in the mid 70s to mid 80s. Light Winds becoming northwest 5 to 10 Mph in the afternoon.

Tonight 10 May Central Siskiyou County

Partly cloudy in the evening then becoming mostly clear. Lows in the mid 40s to lower 50s. North Winds 10 to 15 Mph becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Lake Temperature Statistics

May Temperature

Montague Siskiyou County Airport (16.8 miles)

  • Lowest 1 May, 2026

    38.6 °F

  • Average May

    62.8 °F

  • Highest 6 May, 2026

    85.6 °F

Climate (2021–Present)

Montague Siskiyou County Airport (16.8 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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