South Twin Lake Weather Forecast

    • 17
    • 34

    Rain/Snow

    • 12
    • 23

    Mostly Sunny

    • 15
    • 21

    Mostly Cloudy

    • 22
    • 26

    Mostly Cloudy

    • 25
    • 31

    Mostly Cloudy

    • 28
    • 33

    Chance Snow

Today 26 Dec Okanogan Highlands

Mostly cloudy. A chance of snow in the Morning, then snow likely in the afternoon. Snow accumulation up to 1 inch Valleys and up to 1 inch in the Mountains. Highs in the mid to upper 30s. Gusts up to 20 Mph in the afternoon. Chance of precipitation 70 percent.

Tonight 26 Dec Okanogan Highlands

Mostly cloudy. Snow likely in the Evening, then a chance of snow overnight. Snow accumulation up to 1 inch Valleys and up to 1 inch in the Mountains. Lows 13 to 21. Chance of precipitation 70 percent.

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South Twin Lake Temperature Statistics

December Temperature

Deer Park, Deer Park Airport (48.5 miles)

  • Lowest 2 December, 2025

    21.9 °F

  • Average December

    37.7 °F

  • Highest 15 December, 2025

    57 °F

Climate (2020–Present)

Deer Park, Deer Park Airport (48.5 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    60.2 °F
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