Trillium Lake Weather Forecast

    • -15
    • 5

    Cold

    • -14
    • 7

    Cold

    • 6
    • 16

    Snow Likely

    • 5
    • 27

    Mostly Cloudy

    • 0
    • 20

    Partly Sunny

    • 4
    • 20

    Mostly Cloudy

Today 29 Jan North Cass

Partly sunny this Morning, then becoming mostly cloudy. A chance of Flurries. Highs around 4 above. Northwest Winds around 5 Mph.

Tonight 29 Jan North Cass

Partly cloudy in the Evening, then clearing. Cold with Lows around 16 below. North Winds around 5 Mph.

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Trillium Lake Temperature Statistics

January Temperature

Longville, Longville Municipal Airport (9.3 miles)

  • Lowest 24 January, 2026

    -34.6 °F

  • Average January

    7.3 °F

  • Highest 12 January, 2026

    42.8 °F

Climate (2021–Present)

Longville, Longville Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    31.4 °F

  • Average 2021–2026

    41.8 °F

  • Average High 2021–2026

    51.5 °F
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