San Juan Island - Point Joe Weather Forecast

    • 43
    • 52

    Chance Rain

    • 43
    • 50

    Rain

    • 46
    • 50

    Rain

    • 46
    • 52

    Rain

    • 39
    • 52

    Rain Likely

    • 38
    • 46

    Rain/Snow Likely

    • 38
    • 46

    Rain

Today 4 Mar San Juan County

Mostly cloudy. A chance of rain in the Morning, then a slight chance of rain late in the morning. A chance of rain in the afternoon. Highs in the upper 40s to mid 50s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 4 Mar San Juan County

Partly cloudy in the evening then becoming mostly cloudy. A slight chance of rain in the Evening, then a chance of rain in the late evening and early morning. Lows in the upper 30s to mid 40s. West wind 10 to 20 Mph with Gusts to 30 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

San Juan Island - Point Joe Temperature Statistics

March Temperature

Friday Harbor Airport (3.7 miles)

  • Lowest 2 March, 2026

    34 °F
  • Average March

    43 °F
  • Highest 2 March, 2026

    55 °F

Climate (2021–Present)

Friday Harbor Airport (3.7 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