Orcas Island - Deer Harbor Weather Forecast

    • 54
    • 68

    Decreasing Clouds

    • 54
    • 68

    Mostly Cloudy

    • 55
    • 69

    Partly Sunny

    • 53
    • 68

    Mostly Cloudy

    • 53
    • 65

    Mostly Cloudy

    • 53
    • 64

    Mostly Cloudy

Today 19 Sep San Juan County

Mostly cloudy until late afternoon then becoming mostly sunny. Highs in the 60s. Light wind.

Tonight 19 Sep San Juan County

Mostly clear. Lows in the upper 40s to mid 50s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Orcas Island - Deer Harbor Temperature Statistics

September Temperature

Friday Harbor Airport (6.8 miles)

  • Lowest 3 September, 2026

    48.9 °F

  • Average September

    58.6 °F

  • Highest 6 September, 2026

    73 °F

Climate (2021–2026)

Friday Harbor Airport (6.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.7 °F
Get WillyWeather+ to remove ads