Castle Rock Weather Forecast

    • 54
    • 59

    Partly Sunny

    • 54
    • 59

    Partly Sunny

    • 57
    • 60

    Partly Sunny

    • 57
    • 61

    Chance Rain Showers

    • 55
    • 61

    Mostly Cloudy

    • 55
    • 60

    Breezy

    • 56
    • 62

    Breezy

Today 3 Aug South Central Oregon Coast

Mostly cloudy. Highs in the mid 60s to lower 70s. Northwest Winds 5 to 10 Mph.

Tonight 3 Aug South Central Oregon Coast

Mostly cloudy. Along the Coast, patchy fog in the late evening and early morning. Areas of fog well after midnight. Inland, patchy fog after midnight. Lows in the lower to mid 50s. North Winds 5 to 10 Mph until well after midnight becoming light.

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Castle Rock Temperature Statistics

August Temperature

Southwest Oregon Regional Airport (41.6 miles)

  • Lowest 1 August, 2025

    57 °F

  • Average August

    59.7 °F

  • Highest 1 August, 2025

    64.9 °F

Climate (2020–Present)

Southwest Oregon Regional Airport (41.6 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    59.6 °F
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