Lake Sacajawea Park Weather Forecast

    • 58
    • 82

    Becoming Sunny

    • 57
    • 86

    Mostly Sunny

    • 57
    • 79

    Partly Sunny

    • 54
    • 78

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

    • 54
    • 78

    Mostly Sunny

Today 22 Jul Cowlitz County Lowlands

Partly sunny this Morning, then clearing. Patchy fog this morning. Highs in the mid 80s. West wind 5 to 10 Mph.

Tonight 22 Jul Cowlitz County Lowlands

Mostly clear. Patchy fog after midnight. Lows in the mid 50s. Winds light.

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Lake Sacajawea Park Temperature Statistics

July Temperature

Southwest Washington Regional Airport (3.1 miles)

  • Lowest 5 July, 2025

    48 °F

  • Average July

    67.2 °F

  • Highest 13 July, 2025

    95 °F

Climate (2020–Present)

Southwest Washington Regional Airport (3.1 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    62.3 °F
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