Skookumchuck Reservoir Weather Forecast

    • 51
    • 69

    Rain Showers Likely

    • 44
    • 64

    Rain Showers Likely

    • 50
    • 73

    Partly Sunny

    • 53
    • 85

    Mostly Sunny

    • 49
    • 72

    Chance Rain Showers

    • 51
    • 77

    Mostly Sunny

Today 25 May Foothills and Valleys of Thurston and Lewis Counties

Mostly sunny. Highs near 70. Southwest wind to 10 Mph becoming west in the afternoon.

Tonight 25 May Foothills and Valleys of Thurston and Lewis Counties

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows near 50. West wind around 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Skookumchuck Reservoir Temperature Statistics

May Temperature

Chehalis-Centralia Airport (15.5 miles)

  • Lowest 5 May, 2025

    35.6 °F

  • Average May

    54 °F

  • Highest 6 May, 2025

    80.6 °F

Climate (2020–Present)

Chehalis-Centralia Airport (15.5 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    61.4 °F
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