Trillium Lake Weather Forecast

    • 30
    • 45

    Cloudy

    • 29
    • 42

    Slight Chance Rain/Snow

    • 30
    • 43

    Mostly Cloudy

    • 36
    • 54

    Partly Sunny

    • 31
    • 53

    Mostly Sunny

    • 34
    • 52

    Mostly Cloudy

Today 30 Oct North Cass

Mostly cloudy. Near steady temperature in the lower 40s. Southwest Winds around 5 Mph.

Tonight 30 Oct North Cass

Cloudy. A slight chance of rain Showers after midnight. Lows in the lower 30s. West Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Trillium Lake Temperature Statistics

October Temperature

Longville, Longville Municipal Airport (9.3 miles)

  • Lowest 24 October, 2025

    21.2 °F

  • Average October

    50.6 °F

  • Highest 3 October, 2025

    84.2 °F

Climate (2020–Present)

Longville, Longville Municipal Airport (9.3 miles)

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  • Average Low 2020–2025

    31.7 °F

  • Average 2020–2025

    42.1 °F

  • Average High 2020–2025

    51.7 °F
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