Preston Weather Forecast

    • 40
    • 61

    Mostly Cloudy

    • 42
    • 64

    Partly Sunny

    • 44
    • 69

    Partly Sunny

    • 42
    • 59

    Rain Likely

    • 38
    • 55

    Mostly Cloudy

    • 41
    • 55

    Chance Rain

    • 40
    • 58

    Chance Rain

Today 19 Oct Foothills and Valleys of Central King County

Mostly cloudy. Patchy fog in the morning. Highs near 60. Light wind.

Tonight 19 Oct Foothills and Valleys of Central King County

Mostly cloudy. Areas of fog after midnight. Lows in the upper 30s to mid 40s. Light wind.

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Preston Temperature Statistics

October Temperature

Renton Municipal Airport (13 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 (13 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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