Lake Merwin Campers Hideaway Weather Forecast

    • 50
    • 68

    Partly Sunny

    • 56
    • 73

    Mostly Cloudy

    • 54
    • 66

    Rain Likely

    • 49
    • 71

    Slight Chance Rain Showers

    • 53
    • 78

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

Today 4 Aug South Washington Cascade Foothills

Mostly cloudy this Morning, then becoming partly sunny. Highs in the lower 70s. Winds light.

Tonight 4 Aug South Washington Cascade Foothills

Partly cloudy this Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. Winds light.

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Lake Merwin Campers Hideaway Temperature Statistics

August Temperature

Southwest Washington Regional Airport (24.9 miles)

  • Lowest 1 August, 2025

    59 °F

  • Average August

    67.2 °F

  • Highest 1 August, 2025

    82 °F

Climate (2020–Present)

Southwest Washington Regional Airport (24.9 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    62.2 °F
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