South Twin Lake Weather Forecast

    • 55
    • 78

    Chance Rain Showers

    • 44
    • 64

    Rain Showers

    • 42
    • 62

    Mostly Sunny

    • 38
    • 59

    Partly Sunny

    • 38
    • 55

    Partly Sunny

    • 42
    • 61

    Partly Sunny

Today 12 May Okanogan Highlands

Partly cloudy. Highs in the upper 70s to mid 80s.

Tonight 12 May Okanogan Highlands

Mostly cloudy. A chance of rain Showers overnight. Lows in the upper 40s to mid 50s. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Twin Lake Temperature Statistics

May Temperature

Deer Park, Deer Park Airport (48.5 miles)

  • Lowest 1 May, 2026

    33.7 °F

  • Average May

    57.1 °F

  • Highest 3 May, 2026

    80.7 °F

Climate (2021–Present)

Deer Park, Deer Park Airport (48.5 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    60.3 °F
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