Decatur Island Weather Forecast

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    Rain

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    Rain

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    Rain Showers

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    Rain Showers

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    Rain Showers Likely

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    Chance Rain

Today 25 Apr San Juan County

Rain in the Morning, then rain likely in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs in the 50s. East wind 10 to 15 Mph becoming southeast 10 to 20 Mph in the afternoon.

Tonight 25 Apr San Juan County

Rain at Times until early Morning, then rain likely in the morning. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the 40s to lower 50s. Southeast wind 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur Island Temperature Statistics

April Temperature

Friday Harbor Airport (9.3 miles)

  • Lowest 17 April, 2024

    35.7 °F

  • Average April

    50.6 °F

  • Highest 20 April, 2024

    71.7 °F

Climate (2019–Present)

Friday Harbor Airport (9.3 miles)

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  • Average Low 2019–2024

    43.9 °F

  • Average 2019–2024

    50.9 °F

  • Average High 2019–2024

    58.5 °F
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