Skookumchuck Reservoir Weather Forecast

    • 52
    • 67

    Mostly Cloudy

    • 50
    • 63

    Chance Rain Showers

    • 49
    • 67

    Mostly Cloudy

    • 51
    • 75

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

    • 54
    • 84

    Mostly Sunny

Today 25 Jun Foothills and Valleys of Thurston and Lewis Counties

Mostly cloudy. Patchy fog in the morning. A slight chance of Showers in the afternoon. Highs in the mid to upper 60s. Light wind.

Tonight 25 Jun Foothills and Valleys of Thurston and Lewis Counties

Mostly cloudy. A chance of Showers in the Evening, then a slight chance of Showers after midnight. Patchy fog in the morning. Lows in the lower 50s. Light wind.

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Skookumchuck Reservoir Temperature Statistics

June Temperature

Chehalis-Centralia Airport (15.5 miles)

  • Lowest 2 June, 2025

    41 °F

  • Average June

    59.7 °F

  • Highest 8 June, 2025

    91.4 °F

Climate (2020–Present)

Chehalis-Centralia Airport (15.5 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    61.4 °F
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