Lost Lake Weather Forecast

    • 20
    • 32

    Partly Sunny

    • 19
    • 33

    Partly Sunny

    • 21
    • 32

    Mostly Sunny

    • 24
    • 37

    Mostly Sunny

    • 30
    • 40

    Chance Snow

    • 30
    • 40

    Chance Rain/Snow

Today 21 Jan North Oregon Cascades

Mostly sunny. Free air freezing level 7500 Feet, increasing to free air freezing level 9000 feet this afternoon. Pass Winds east 5 to 10 Mph.

Tonight 21 Jan North Oregon Cascades

Mostly clear in the Evening, then becoming partly cloudy. Free air freezing level 8000 Feet, decreasing to free air freezing level 7000 feet after midnight. Pass Winds east 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

January Temperature

Portland, Portland-Troutdale Airport (28.6 miles)

  • Lowest 13 January, 2026

    28.9 °F

  • Average January

    42.5 °F

  • Highest 12 January, 2026

    55.9 °F

Climate (2021–Present)

Portland, Portland-Troutdale Airport (28.6 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    65.2 °F
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