Riverside County Park Weather Forecast

    • 34
    • 61

    Areas Fog

    • 39
    • 61

    Rain Likely

    • 41
    • 59

    Rain Likely

    • 40
    • 62

    Chance Rain

    • 39
    • 62

    Slight Chance Rain

    • 38
    • 62

    Mostly Cloudy

Today 23 Oct Cowlitz County Lowlands

Areas of fog with patchy frost in the morning. Sunny. Highs in the lower 60s. Light and variable Winds, becoming light in the afternoon.

Tonight 23 Oct Cowlitz County Lowlands

Mostly clear in the Evening, then becoming partly cloudy. Patchy fog in the evening. Areas of fog with patchy frost after midnight. Lows in the mid 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Riverside County Park Temperature Statistics

October Temperature

Southwest Washington Regional Airport (5 miles)

  • Lowest 11 October, 2026

    36 °F

  • Average October

    56.4 °F

  • Highest 4 October, 2026

    79 °F

Climate (2021–2026)

Southwest Washington Regional Airport (5 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    62.5 °F
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