San Juan Island - Point Joe Weather Forecast

    • 49
    • 63

    Mostly Cloudy

    • 48
    • 66

    Partly Sunny

    • 50
    • 64

    Partly Sunny

    • 52
    • 68

    Mostly Cloudy

    • 50
    • 69

    Partly Sunny

    • 48
    • 66

    Slight Chance Rain

    • 48
    • 63

    Chance Rain

Today 9 May San Juan County

Partly sunny. Highs in the 60s. Light wind.

Tonight 9 May San Juan County

Mostly cloudy. Lows near 50. Light wind.

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  • Temperature Real-Time

San Juan Island - Point Joe Temperature Statistics

May Temperature

Friday Harbor Airport (3.7 miles)

  • Lowest 1 May, 2026

    45 °F
  • Average May

    57 °F
  • Highest 3 May, 2026

    75.9 °F

Climate (2021–Present)

Friday Harbor Airport (3.7 miles)

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  • Average Low 2021–2026

    44.5 °F
  • Average 2021–2026

    51.9 °F
  • Average High 2021–2026

    59.7 °F
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