Lopez Island - Barlow Bay Weather Forecast

    • 47
    • 65

    Mostly Cloudy

    • 46
    • 63

    Mostly Cloudy

    • 47
    • 62

    Chance Rain Showers

    • 47
    • 63

    Slight Chance Rain Showers

    • 48
    • 64

    Mostly Cloudy

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    • 63

    Mostly Cloudy

Today 9 May San Juan County

Partly sunny. Highs in the upper 50s to mid 60s. Light wind.

Tonight 9 May San Juan County

Mostly cloudy. Lows in the mid 40s to lower 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lopez Island - Barlow Bay Temperature Statistics

May Temperature

Friday Harbor Airport (8.7 miles)

  • Lowest 4 May, 2025

    38.6 °F
  • Average May

    58.5 °F
  • Highest 5 May, 2025

    80.7 °F

Climate (2020–Present)

Friday Harbor Airport (8.7 miles)

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  • Average Low 2020–2025

    44.3 °F
  • Average 2020–2025

    51.6 °F
  • Average High 2020–2025

    59.4 °F
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