Roche Harbor Airport Weather Forecast

    • 50
    • 62

    Rain

    • 52
    • 63

    Rain Likely

    • 53
    • 66

    Partly Sunny

    • 54
    • 69

    Mostly Sunny

    • 55
    • 71

    Partly Sunny

    • 54
    • 70

    Mostly Cloudy

Today 20 Jun San Juan County

Cloudy with a chance of rain. Highs in the upper 50s to mid 60s. Southwest wind around 10 Mph becoming south in the afternoon.

Tonight 20 Jun San Juan County

Mostly cloudy with a chance of rain in the Evening, then cloudy with rain after midnight. Rainfall Amounts a quarter to a half inch possible. Lows in the mid 40s to lower 50s. Southwest wind 10 to 15 Mph with Gusts to 25 Mph.

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Roche Harbor Airport Temperature Statistics

June Temperature

Friday Harbor Airport (8.1 miles)

  • Lowest 2 June, 2025

    43.6 °F

  • Average June

    58.1 °F

  • Highest 8 June, 2025

    84.7 °F

Climate (2020–Present)

Friday Harbor Airport (8.1 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    59.5 °F
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