Decatur (Jones) Airport Weather Forecast

    • 49
    • 57

    Increasing Clouds

    • 52
    • 58

    Rain

    • 50
    • 57

    Rain

    • 49
    • 58

    Partly Sunny

    • 51
    • 60

    Mostly Cloudy

    • 50
    • 60

    Partly Sunny

    • 50
    • 59

    Partly Sunny

Today 27 Sep San Juan County

Mostly sunny. Highs in the lower 60s.

Tonight 27 Sep San Juan County

Clear in the evening then becoming partly cloudy. Lows in the mid 40s to lower 50s. Light wind.

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Decatur (Jones) Airport Temperature Statistics

September Temperature

Friday Harbor Airport (9.9 miles)

  • Lowest 21 September, 2026

    46 °F

  • Average September

    57.2 °F

  • Highest 6 September, 2026

    73 °F

Climate (2021–2026)

Friday Harbor Airport (9.9 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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