Wynoochee Lake Weather Forecast

    • 40
    • 46

    Rain Showers

    • 37
    • 53

    Chance Rain Showers

    • 42
    • 63

    Partly Sunny

    • 44
    • 64

    Mostly Cloudy

    • 46
    • 65

    Partly Sunny

    • 48
    • 68

    Partly Sunny

Today 15 May Foothills of the Western and Southern Olympic Peninsula

A slight chance of Thunderstorms in the morning. Rain Showers through the day. A chance of Thunderstorms in the afternoon. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Highs in the upper 40s to mid 50s. Southwest wind 10 to 15 Mph.

Tonight 15 May Foothills of the Western and Southern Olympic Peninsula

Rain Showers and a slight chance of Thunderstorms in the Evening, then mostly cloudy with a chance of rain Showers after midnight. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Lows in the upper 30s to mid 40s. Southwest wind 10 to 15 Mph becoming west after midnight.

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Wynoochee Lake Temperature Statistics

May Temperature

Shelton, Shelton Sanderson Field (23.6 miles)

  • Lowest 9 May, 2026

    39.9 °F

  • Average May

    58.6 °F

  • Highest 3 May, 2026

    84 °F

Climate (2021–Present)

Shelton, Shelton Sanderson Field (23.6 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    61.3 °F
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