Apex Lake Weather Forecast

    • 47
    • 77

    Increasing Clouds

    • 47
    • 78

    Mostly Sunny

    • 48
    • 78

    Mostly Sunny

    • 47
    • 76

    Partly Sunny

    • 46
    • 71

    Partly Sunny

    • 46
    • 70

    Mostly Cloudy

Today 19 Sep Okanogan Highlands

Partly cloudy in the Morning, becoming sunny. Highs in the mid 70s to lower 80s.

Tonight 19 Sep Okanogan Highlands

Partly cloudy. Lows in the mid 40s to mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Apex Lake Temperature Statistics

September Temperature

Deer Park, Deer Park Airport (40.4 miles)

  • Lowest 14 September, 2026

    39.7 °F

  • Average September

    58.5 °F

  • Highest 1 September, 2026

    81.6 °F

Climate (2021–2026)

Deer Park, Deer Park Airport (40.4 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    60.1 °F
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