Decatur Island - Davis Bay Weather Forecast

    • 50
    • 54

    Rain

    • 46
    • 56

    Rain

    • 44
    • 51

    Rain

    • 42
    • 48

    Rain

    • 41
    • 47

    Rain

    • 40
    • 45

    Rain

Today 14 Dec San Juan County

A chance of rain in the Morning, then rain at Times late in the morning. Rain likely in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the lower to mid 50s. Southeast wind 10 to 15 Mph with Gusts to 25 Mph.

Tonight 14 Dec San Juan County

Windy. Rain likely in the Evening, then a chance of rain in the late evening and early morning. Rain at Times late in the night. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the mid 40s to lower 50s. Southeast wind 15 to 30 Mph. Gusts to 45 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur Island - Davis Bay Temperature Statistics

December Temperature

Friday Harbor Airport (9.9 miles)

  • Lowest 1 December, 2025

    36 °F

  • Average December

    46.6 °F

  • Highest 8 December, 2025

    54 °F

Climate (2020–Present)

Friday Harbor Airport (9.9 miles)

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

  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    59.6 °F
Get WillyWeather+ to remove ads