Mill Bay Weather Forecast

    • 31
    • 55

    Decreasing Clouds

    • 25
    • 45

    Chance Snow Showers

    • 18
    • 37

    Chance Snow Showers

    • 30
    • 47

    Mostly Sunny

    • 41
    • 59

    Mostly Cloudy

    • 40
    • 63

    Chance Rain Showers

Today 5 Apr Northern Washington

Cloudy. Rain this Morning, then a chance of Showers this afternoon. Highs in the lower 50s. South Winds around 10 Mph, becoming southwest this afternoon. Chance of rain 90 percent.

Tonight 5 Apr Northern Washington

Mostly cloudy. Lows in the lower 30s. Southwest Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mill Bay Temperature Statistics

April Temperature

Middlebury State Airport (21.7 miles)

  • Lowest 2 April, 2026

    29.3 °F

  • Average April

    41.4 °F

  • Highest 3 April, 2026

    62.6 °F

Climate (2021–Present)

Middlebury State Airport (21.7 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    54.5 °F
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