Washington County Lake Weather Forecast

    • 58
    • 77

    Becoming Sunny

    • 61
    • 82

    Chance Thunderstorms

    • 71
    • 87

    Rain Showers

    • 61
    • 82

    Rain Showers Likely

    • 61
    • 82

    Mostly Sunny

    • 66
    • 86

    Partly Sunny

Today 15 Jun Washington

Sunny. Highs in the mid 70s. Northwest Winds around 5 Mph.

Tonight 15 Jun Washington

Mostly clear. Lows in the upper 50s. Northwest Winds around 5 Mph, becoming south after midnight.

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Washington County Lake Temperature Statistics

June Temperature

Centralia Municipal Airport (21.1 miles)

  • Lowest 3 June, 2026

    52.7 °F

  • Average June

    76.9 °F

  • Highest 11 June, 2026

    93.6 °F

Climate (2021–Present)

Centralia Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    49.7 °F

  • Average 2021–2026

    59.7 °F

  • Average High 2021–2026

    70 °F
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