Swamp Lake Weather Forecast

    • 42
    • 64

    Becoming Sunny

    • 48
    • 72

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

    • 50
    • 74

    Chance Rain Showers

    • 47
    • 68

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

Today 12 Jul Upper Slopes of the Eastern Washington Cascades Crest

Mostly cloudy in the morning then clearing. Highs in the lower 60s to lower 70s.

Tonight 12 Jul Upper Slopes of the Eastern Washington Cascades Crest

Clear. Lows in the 40s. Gusts up to 20 Mph in the evening.

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Swamp Lake Temperature Statistics

July Temperature

Stampede Pass (30.4 miles)

  • Lowest 1 July, 2026

    39 °F

  • Average July

    54.3 °F

  • Highest 6 July, 2026

    77 °F

Climate (2021–2026)

Stampede Pass (30.4 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.3 °F
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