Sidley Lake Weather Forecast

    • 25
    • 31

    Snow

    • 25
    • 35

    Rain/Snow

    • 27
    • 31

    Snow Likely

    • 14
    • 32

    Chance Snow

    • 19
    • 27

    Slight Chance Snow

    • 23
    • 30

    Mostly Cloudy

Today 23 Dec Okanogan Highlands

Mostly cloudy. Highs in the mid to upper 30s.

Tonight 23 Dec Okanogan Highlands

Cloudy. Patchy fog in the evening. A chance of snow in the Evening, then rain or snow overnight. Snow accumulation up to 1 inch Valleys and up to 1 inch in the Mountains. Lows in the upper 20s to mid 30s. Chance of precipitation 80 percent.

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Sidley Lake Temperature Statistics

December Temperature

Omak Airport (38.5 miles)

  • Lowest 20 December, 2025

    25 °F

  • Average December

    38.4 °F

  • Highest 9 December, 2025

    51.1 °F

Climate (2020–Present)

Omak Airport (38.5 miles)

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  • Average Low 2020–2025

    40.8 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    62.9 °F
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