Riverside County Park Weather Forecast

    • 48
    • 64

    Rain Likely

    • 52
    • 64

    Rain

    • 48
    • 58

    Rain

    • 43
    • 54

    Rain

    • 40
    • 52

    Rain

    • 38
    • 53

    Rain

    • 43
    • 54

    Rain Likely

Today 22 Oct Cowlitz County Lowlands

Partly sunny. Patchy dense fog this morning. A chance of rain this afternoon. Highs in the mid 60s. South wind 5 to 10 Mph. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 22 Oct Cowlitz County Lowlands

Patchy fog this evening. Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s. Winds light. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

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Riverside County Park Temperature Statistics

October Temperature

Southwest Washington Regional Airport (5 miles)

  • Lowest 15 October, 2025

    32 °F

  • Average October

    54.3 °F

  • Highest 7 October, 2025

    80.1 °F

Climate (2020–Present)

Southwest Washington Regional Airport (5 miles)

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  • Average Low 2020–2025

    44.9 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    62.3 °F
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