Rosario SPB Weather Forecast

    • 58
    • 73

    Increasing Clouds

    • 54
    • 69

    Rain Likely

    • 54
    • 66

    Mostly Sunny

    • 57
    • 70

    Mostly Sunny

    • 58
    • 75

    Mostly Sunny

    • 58
    • 73

    Mostly Sunny

    • 58
    • 72

    Mostly Sunny

Today 31 Jul San Juan County

Sunny. Highs in the 70s. Light wind.

Tonight 31 Jul San Juan County

Partly cloudy. A chance of rain in the morning. Lows in the 50s. South wind to 10 Mph becoming southwest after midnight.

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  • Temperature Real-Time

Rosario SPB Temperature Statistics

July Temperature

Eastsound, Orcas Island Airport (4.3 miles)

  • Lowest 5 July, 2026

    51.8 °F

  • Average July

    62.6 °F

  • Highest 22 July, 2026

    82.4 °F

Climate (2021–2026)

Eastsound, Orcas Island Airport (4.3 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    57.8 °F
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