Triangle Lake Weather Forecast

    • 38
    • 49

    Mostly Cloudy

    • 38
    • 52

    Mostly Cloudy

    • 39
    • 53

    Mostly Cloudy

    • 39
    • 55

    Mostly Cloudy

    • 39
    • 56

    Partly Sunny

    • 39
    • 54

    Partly Sunny

    • 36
    • 52

    Mostly Sunny

Today 9 Jan Central Oregon Coast Range Lowlands

Patchy fog this morning. Partly sunny. Highs in the lower 50s. Winds light.

Tonight 9 Jan Central Oregon Coast Range Lowlands

Mostly cloudy. Lows in the upper 30s. Winds light.

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Triangle Lake Temperature Statistics

January Temperature

Eugene, Mahlon Sweet Field (18 miles)

  • Lowest 5 January, 2026

    30.9 °F

  • Average January

    43.1 °F

  • Highest 2 January, 2026

    52 °F

Climate (2021–Present)

Eugene, Mahlon Sweet Field (18 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    66 °F
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