Charles Island Weather Forecast

    • 37
    • 45

    Rain

    • 38
    • 45

    Chance Rain/Snow

    • 38
    • 46

    Chance Rain/Snow

    • 41
    • 45

    Rain

    • 46
    • 52

    Rain

    • 48
    • 54

    Rain

    • 47
    • 55

    Rain

Today 12 Mar San Juan County

Breezy. A chance of rain and snow Showers in the Morning, then rain and snow in the afternoon. Snow level near 1000 feet. No snow accumulation. Highs in the lower to mid 40s. West wind 15 to 25 Mph. Gusts to 35 Mph.

Tonight 12 Mar San Juan County

Rain and snow. Snow level near 1000 feet. No snow accumulation. Lows in the 30s. Southwest wind 10 to 15 Mph decreasing to 10 Mph or less after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Charles Island Temperature Statistics

March Temperature

Friday Harbor Airport (7.5 miles)

  • Lowest 10 March, 2026

    30 °F

  • Average March

    44.9 °F

  • Highest 2 March, 2026

    55 °F

Climate (2021–Present)

Friday Harbor Airport (7.5 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