Renton Weather Forecast

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    • 72

    Chance Rain Showers

    • 60
    • 74

    Rain Showers Likely

    • 59
    • 69

    Rain Showers Likely

    • 58
    • 73

    Slight Chance Rain Showers

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    • 74

    Slight Chance Rain Showers

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    • 74

    Slight Chance Rain Showers

Today 7 Sep Lowlands of Pierce and Southern King Counties

Mostly cloudy. A chance of Showers. Highs in the mid 60s to lower 70s. Light wind becoming southwest to 10 Mph in the afternoon.

Tonight 7 Sep Lowlands of Pierce and Southern King Counties

Mostly cloudy with a slight chance of Showers in the Evening, then partly cloudy after midnight. Lows in the 50s. West wind to 10 Mph in the evening becoming light.

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Renton Temperature Statistics

September Temperature

Renton Municipal Airport (0.6 miles)

  • Lowest 2 September, 2025

    60.1 °F

  • Average September

    68.6 °F

  • Highest 3 September, 2025

    82.9 °F

Climate (2020–Present)

Renton Municipal Airport (0.6 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    62.2 °F
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