Roche Harbor SPB Weather Forecast

    • 45
    • 53

    Rain Likely

    • 46
    • 55

    Mostly Cloudy

    • 44
    • 54

    Rain Likely

    • 40
    • 49

    Rain

    • 41
    • 50

    Chance Rain Showers

    • 41
    • 51

    Partly Sunny

Today 11 Apr San Juan County

A chance of rain in the Morning, then rain likely in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs in the lower to mid 50s. Light wind becoming south around 10 Mph in the afternoon.

Tonight 11 Apr San Juan County

Mostly cloudy. A chance of rain in the Evening, then a slight chance of rain after midnight. Lows in the 40s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roche Harbor SPB Temperature Statistics

April Temperature

Friday Harbor Airport (8.1 miles)

  • Lowest 7 April, 2026

    37 °F

  • Average April

    48.5 °F

  • Highest 5 April, 2026

    62.1 °F

Climate (2021–Present)

Friday Harbor Airport (8.1 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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