Gene Coulon Memorial Beach Park Weather Forecast

    • 44
    • 63

    Becoming Sunny

    • 46
    • 66

    Partly Sunny

    • 46
    • 59

    Chance Rain

    • 42
    • 57

    Partly Sunny

    • 44
    • 55

    Chance Rain

    • 44
    • 58

    Slight Chance Rain

Today 20 Oct Eastside

Partly sunny in the morning then becoming sunny. Areas of fog in the morning. Patchy fog late in the morning. Highs in the lower to mid 60s. Northeast wind to 10 Mph becoming north in the afternoon.

Tonight 20 Oct Eastside

Mostly clear. Patchy fog after midnight. Lows in the 40s. Light wind.

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Gene Coulon Memorial Beach Park Temperature Statistics

October Temperature

Renton Municipal Airport (0.6 miles)

  • Lowest 12 October, 2026

    39.9 °F

  • Average October

    56.9 °F

  • Highest 16 October, 2026

    75.9 °F

Climate (2021–2026)

Renton Municipal Airport (0.6 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    62.3 °F
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