Simpson Lake Weather Forecast

    • 26
    • 38

    Increasing Clouds

    • 27
    • 38

    Mostly Cloudy

    • 29
    • 36

    Rain/Snow Likely

    • 31
    • 38

    Rain Likely

    • 32
    • 41

    Chance Rain

    • 33
    • 42

    Chance Rain

Today 2 Dec Okanogan Highlands

Partly sunny. A chance of snow in the morning. Patchy freezing fog in the morning. Highs in the mid to upper 30s. Chance of precipitation 20 percent.

Tonight 2 Dec Okanogan Highlands

Mostly clear. Lows in the 20s.

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  • Temperature Real-Time

Simpson Lake Temperature Statistics

December Temperature

Deer Park, Deer Park Airport (47.2 miles)

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  • Average December

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Climate (2020–Present)

Deer Park, Deer Park Airport (47.2 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    60.1 °F
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