McNary Lake Weather Forecast

    • 55
    • 81

    Increasing Clouds

    • 54
    • 76

    Mostly Cloudy

    • 54
    • 75

    Mostly Cloudy

    • 59
    • 79

    Mostly Cloudy

    • 61
    • 80

    Mostly Cloudy

    • 59
    • 78

    Slight Chance Rain Showers

Today 2 Aug Lower Columbia River

Partly sunny this Morning, then clearing. Highs in the lower 80s. Northwest wind 5 to 10 Mph.

Tonight 2 Aug Lower Columbia River

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. Northwest wind 5 to 10 Mph.

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  • Temperature Real-Time

McNary Lake Temperature Statistics

August Temperature

Scappoose Industrial Airpark (3.1 miles)

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  • Average August

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Climate (2020–Present)

Scappoose Industrial Airpark (3.1 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.3 °F

  • Average High 2020–2025

    63.3 °F
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