Skookumchuck Reservoir Weather Forecast

    • 47
    • 63

    Mostly Cloudy

    • 47
    • 68

    Partly Sunny

    • 50
    • 75

    Partly Sunny

    • 48
    • 73

    Partly Sunny

    • 46
    • 70

    Partly Sunny

    • 45
    • 65

    Chance Rain

Today 19 May Foothills and Valleys of Thurston and Lewis Counties

Mostly cloudy. Patchy fog in the morning. Highs in the lower to mid 60s. Light wind.

Tonight 19 May Foothills and Valleys of Thurston and Lewis Counties

Mostly cloudy. Patchy fog in the morning. Lows in the mid to upper 40s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Skookumchuck Reservoir Temperature Statistics

May Temperature

Chehalis-Centralia Airport (15.5 miles)

  • Lowest 15 May, 2026

    42.8 °F

  • Average May

    57.8 °F

  • Highest 3 May, 2026

    84.2 °F

Climate (2021–Present)

Chehalis-Centralia Airport (15.5 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    61.4 °F
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