Three Arch Rocks Weather Forecast

    • 55
    • 58

    Rain Showers Likely

    • 57
    • 60

    Slight Chance Rain Showers

    • 54
    • 60

    Partly Sunny

    • 55
    • 61

    Mostly Sunny

    • 58
    • 68

    Mostly Sunny

    • 57
    • 65

    Partly Sunny

Today 12 Sep Tillamook County Coast

Mostly cloudy. Showers likely with a slight chance of Thunderstorms in the afternoon. Highs in the mid 60s. Winds light. Chance of rain 70 percent. Rainfall Amounts around a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 12 Sep Tillamook County Coast

Mostly cloudy. Patchy fog. Lows in the lower 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Three Arch Rocks Temperature Statistics

September Temperature

Tillamook, Tillamook Airport (8.7 miles)

  • Lowest 8 September, 2026

    46.4 °F

  • Average September

    59.4 °F

  • Highest 9 September, 2026

    78.8 °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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