Rainbow Falls State Park Weather Forecast

    • 54
    • 82

    Rain Showers Likely

    • 52
    • 71

    Rain Showers

    • 52
    • 75

    Partly Sunny

    • 53
    • 80

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

    • 58
    • 90

    Partly Sunny

Today 15 Jul Willapa and Black Hills

Sunny. Highs in the 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 15 Jul Willapa and Black Hills

Partly cloudy. A slight chance of rain after midnight. Lows in the lower to mid 50s. West wind to 10 Mph.

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  • Temperature Real-Time

Rainbow Falls State Park Temperature Statistics

July Temperature

Chehalis-Centralia Airport (11.8 miles)

  • Lowest 9 July, 2026

    46.4 °F

  • Average July

    62.5 °F

  • Highest 6 July, 2026

    86 °F

Climate (2021–2026)

Chehalis-Centralia Airport (11.8 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    61.3 °F
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