Lost Lake Weather Forecast

    • 36
    • 50

    Becoming Sunny

    • 34
    • 51

    Mostly Sunny

    • 36
    • 53

    Mostly Sunny

    • 38
    • 54

    Chance Rain

    • 39
    • 52

    Chance Rain

    • 39
    • 56

    Slight Chance Rain

    • 44
    • 63

    Partly Sunny

Today 23 Apr North Oregon Cascades

Mostly sunny. Free air freezing level 7500 feet. Pass Winds northwest 5 to 10 Mph.

Tonight 23 Apr North Oregon Cascades

Mostly clear. Free air freezing level 9000 Feet, decreasing to free air freezing level 7500 feet after midnight. Pass Winds northwest 5 to 10 Mph, becoming light after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

April Temperature

Portland, Portland-Troutdale Airport (28.6 miles)

  • Lowest 3 April, 2026

    35.7 °F

  • Average April

    54.4 °F

  • Highest 6 April, 2026

    79.6 °F

Climate (2021–Present)

Portland, Portland-Troutdale Airport (28.6 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.3 °F
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