Decatur Island - Davis Bay Weather Forecast

    • 44
    • 50

    Chance Rain

    • 40
    • 48

    Chance Rain

    • 39
    • 46

    Partly Sunny

    • 40
    • 47

    Mostly Sunny

    • 41
    • 49

    Mostly Cloudy

    • 44
    • 50

    Mostly Cloudy

Today 26 Feb San Juan County

Mostly cloudy with a chance of rain. Highs near 50. South wind 10 to 15 Mph becoming southwest in the afternoon. Gusts to 30 Mph.

Tonight 26 Feb San Juan County

Mostly cloudy with a chance of rain. Lows in the upper 30s to mid 40s. Southwest wind 10 to 15 Mph with Gusts to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur Island - Davis Bay Temperature Statistics

February Temperature

Friday Harbor Airport (9.9 miles)

  • Lowest 19 February, 2026

    26.1 °F

  • Average February

    43.2 °F

  • Highest 4 February, 2026

    54 °F

Climate (2021–Present)

Friday Harbor Airport (9.9 miles)

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

  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.7 °F
Get WillyWeather+ to remove ads