Castle Rock Weather Forecast

    • 50
    • 79

    Mostly Cloudy

    • 46
    • 74

    Partly Sunny

    • 50
    • 77

    Mostly Sunny

    • 45
    • 71

    Partly Sunny

    • 44
    • 72

    Mostly Sunny

    • 46
    • 75

    Mostly Sunny

    • 46
    • 69

    Slight Chance Rain Showers

Today 8 Jun Cowlitz County Lowlands

Partly sunny. Highs in the upper 70s. Northwest wind 5 to 10 Mph.

Tonight 8 Jun Cowlitz County Lowlands

Mostly cloudy. Lows in the lower 50s. West wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

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Castle Rock Temperature Statistics

June Temperature

Southwest Washington Regional Airport (10.6 miles)

  • Lowest 5 June, 2024

    46 °F

  • Average June

    58.2 °F

  • Highest 6 June, 2024

    79 °F

Climate (2019–Present)

Southwest Washington Regional Airport (10.6 miles)

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  • Average Low 2019–2024

    45 °F

  • Average 2019–2024

    52.5 °F

  • Average High 2019–2024

    61.9 °F
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