Centralia Reservoir Weather Forecast

    • 74
    • 93

    Mostly Sunny

    • 76
    • 95

    Mostly Sunny

    • 76
    • 95

    Chance Thunderstorms

    • 72
    • 93

    Rain Showers Likely

    • 69
    • 86

    Chance Thunderstorms

    • 68
    • 85

    Chance Rain Showers

Today 9 Aug Marion

Sunny with Highs in the lower 90s. South Winds 5 to 10 Mph. Heat index Values up to 101.

Tonight 9 Aug Marion

Mostly clear. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Centralia Reservoir Temperature Statistics

August Temperature

Centralia Municipal Airport (1.9 miles)

  • Lowest 3 August, 2026

    61.2 °F

  • Average August

    73.6 °F

  • Highest 4 August, 2026

    88.7 °F

Climate (2021–2026)

Centralia Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    49.8 °F

  • Average 2021–2026

    59.8 °F

  • Average High 2021–2026

    70 °F
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