Loutsis Dam Weather Forecast

    • 43
    • 56

    Rain Showers

    • 46
    • 64

    Slight Chance Rain

    • 48
    • 63

    Rain

    • 47
    • 60

    Rain

    • 47
    • 63

    Chance Rain

    • 47
    • 67

    Chance Rain

    • 50
    • 74

    Mostly Sunny

Today 6 Jun Foothills and Valleys of Snohomish and Northern King Counties

A chance of rain Showers in the Morning, then rain Showers likely. A chance of Thunderstorms in the afternoon. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Highs in the 50s. South wind to 10 Mph becoming southwest in the afternoon.

Tonight 6 Jun Foothills and Valleys of Snohomish and Northern King Counties

Mostly cloudy with rain Showers likely and a slight chance of Thunderstorms in the Evening, then mostly cloudy with a slight chance of rain after midnight. Rainfall Amounts less than a tenth of an inch Likely, except higher Amounts possible in Thunderstorms. Lows in the 40s. Light wind.

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Loutsis Dam Temperature Statistics

June Temperature

Renton Municipal Airport (18.6 miles)

  • Lowest 1 June, 2026

    46 °F

  • Average June

    64.7 °F

  • Highest 2 June, 2026

    86 °F

Climate (2021–Present)

Renton Municipal Airport (18.6 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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