San Juan Co Park Weather Forecast

    • 53
    • 75

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 52
    • 71

    Partly Sunny

    • 51
    • 69

    Partly Sunny

    • 52
    • 70

    Partly Sunny

Today 29 Jun San Juan County

Sunny. Patchy fog in the morning. Highs in the 70s. Light wind.

Tonight 29 Jun San Juan County

Mostly clear. Lows in the 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Juan Co Park Temperature Statistics

June Temperature

Friday Harbor Airport (6.2 miles)

  • Lowest 2 June, 2025

    43.6 °F
  • Average June

    58 °F
  • Highest 8 June, 2025

    84.7 °F

Climate (2020–Present)

Friday Harbor Airport (6.2 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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