Dinner Island Weather Forecast

    • 41
    • 46

    Rain

    • 38
    • 50

    Rain/Snow

    • 35
    • 44

    Rain/Snow

    • 30
    • 43

    Rain/Snow Likely

    • 27
    • 37

    Chance Snow Showers

    • 25
    • 36

    Chance Snow Showers

Today 30 Jan San Juan County

Cloudy in the Morning, then a chance of rain early in the afternoon. Cloudy with rain likely late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the 40s. Southeast wind to 10 Mph.

Tonight 30 Jan San Juan County

Rain at Times. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the mid 30s to lower 40s. Southeast wind 10 to 20 Mph. Gusts to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dinner Island Temperature Statistics

January Temperature

Friday Harbor Airport (0.6 miles)

  • Lowest 20 January, 2025

    31.7 °F

  • Average January

    43.6 °F

  • Highest 16 January, 2025

    58.6 °F

Climate (2020–Present)

Friday Harbor Airport (0.6 miles)

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    59.1 °F
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