Lost Lake Weather Forecast

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    Rain

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    Rain

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Today 4 Dec North Oregon Cascades

Patchy fog this morning. Rain. Snow level 8000 feet. Pass Winds southwest 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts a tenth to three Quarters of an inch.

Tonight 4 Dec North Oregon Cascades

Rain. Snow level 8000 feet. Pass Winds west 10 to 15 Mph. Chance of rain near 100 percent. Rainfall Amounts a quarter of an inch to two Inches.

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Lost Lake Temperature Statistics

December Temperature

Portland, Portland-Troutdale Airport (28.6 miles)

  • Lowest 1 December, 2025

    35.1 °F

  • Average December

    40.4 °F

  • Highest 1 December, 2025

    46.9 °F

Climate (2020–Present)

Portland, Portland-Troutdale Airport (28.6 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    65.2 °F
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