Larch Mountain Weather Forecast

    • 30
    • 43

    Mostly Sunny

    • 27
    • 40

    Partly Sunny

    • 27
    • 39

    Partly Sunny

    • 27
    • 38

    Mostly Sunny

    • 29
    • 40

    Chance Rain/Snow

    • 35
    • 39

    Chance Rain/Snow

Today 20 Jan North Oregon Cascades

Mostly sunny. Free air freezing level 11000 Feet, decreasing to free air freezing level 10000 feet this afternoon. Pass Winds east 10 to 15 Mph.

Tonight 20 Jan North Oregon Cascades

Partly cloudy. Free air freezing level 8000 Feet, decreasing to free air freezing level 7500 feet after midnight. Pass Winds east 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Larch Mountain Temperature Statistics

January Temperature

Portland, Portland-Troutdale Airport (14.9 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 (14.9 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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