Three Arch Rocks Weather Forecast

    • 54
    • 60

    Mostly Cloudy

    • 56
    • 60

    Mostly Cloudy

    • 54
    • 60

    Mostly Cloudy

    • 57
    • 61

    Mostly Cloudy

    • 58
    • 66

    Partly Sunny

    • 57
    • 62

    Chance Rain

Today 5 Sep Tillamook County Coast

Partly sunny. Patchy fog in the morning. A slight chance of Showers in the afternoon. Highs in the upper 60s. Winds light. Chance of rain 20 percent.

Tonight 5 Sep Tillamook County Coast

Partly cloudy. Patchy fog. Lows in the lower 50s. Winds light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Three Arch Rocks Temperature Statistics

September Temperature

Tillamook, Tillamook Airport (8.7 miles)

  • Lowest 2 September, 2026

    57.2 °F

  • Average September

    60.8 °F

  • Highest 1 September, 2026

    66.2 °F

Climate (2021–2026)

Tillamook, Tillamook Airport (8.7 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    60.3 °F
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