San Juan Island - Cattle Point Lighthouse Weather Forecast

    • 45
    • 63

    Chance Rain

    • 44
    • 58

    Gradual Clearing

    • 44
    • 59

    Mostly Sunny

    • 47
    • 62

    Mostly Sunny

    • 49
    • 64

    Partly Sunny

    • 47
    • 63

    Mostly Cloudy

    • 46
    • 61

    Mostly Sunny

Today 2 May San Juan County

Sunny. Highs in the 60s. South wind 10 to 15 Mph.

Tonight 2 May San Juan County

Cloudy. A slight chance of Showers in the Evening, then a chance of Showers in the late evening and early morning. A slight chance of Showers in the morning. Lows in the 40s. Southwest wind around 10 Mph becoming west after midnight.

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San Juan Island - Cattle Point Lighthouse Temperature Statistics

May Temperature

Friday Harbor Airport (5.6 miles)

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  • Average May

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Climate (2020–Present)

Friday Harbor Airport (5.6 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    59.3 °F
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