Onamac Point Weather Forecast

    • 51
    • 69

    Mostly Cloudy

    • 52
    • 68

    Mostly Cloudy

    • 49
    • 64

    Rain Likely

    • 49
    • 64

    Partly Sunny

    • 50
    • 69

    Partly Sunny

    • 51
    • 69

    Partly Sunny

Today 23 May Island County

Partly sunny. Highs in the mid 60s to lower 70s. Southwest wind to 10 Mph increasing to 10 to 15 Mph with Gusts to 25 Mph in the afternoon.

Tonight 23 May Island County

Breezy. Partly cloudy in the evening then becoming mostly cloudy. Lows near 50. West wind 15 to 25 Mph with Gusts to 35 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Onamac Point Temperature Statistics

May Temperature

Whidbey Island Naval Air Station - Ault Field (13 miles)

  • Lowest 21 May, 2026

    43 °F

  • Average May

    53 °F

  • Highest 3 May, 2026

    66.9 °F

Climate (2021–Present)

Whidbey Island Naval Air Station - Ault Field (13 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    56.1 °F
Get WillyWeather+ to remove ads