Highlands Park Weather Forecast

    • 56
    • 74

    Decreasing Clouds

    • 54
    • 70

    Mostly Cloudy

    • 56
    • 75

    Partly Sunny

    • 58
    • 84

    Mostly Sunny

    • 57
    • 78

    Mostly Cloudy

    • 56
    • 72

    Slight Chance Rain

Today 6 Sep Cowlitz County Lowlands

Mostly cloudy in the Morning, then becoming mostly sunny. Patchy fog in the morning. Highs in the mid 70s. Winds light.

Tonight 6 Sep Cowlitz County Lowlands

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

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Highlands Park Temperature Statistics

September Temperature

Southwest Washington Regional Airport (3.1 miles)

  • Lowest 3 September, 2026

    51.1 °F

  • Average September

    59.9 °F

  • Highest 1 September, 2026

    66 °F

Climate (2021–2026)

Southwest Washington Regional Airport (3.1 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.4 °F
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