Mill Bay Weather Forecast

    • 54
    • 81

    Mostly Cloudy

    • 56
    • 82

    Mostly Sunny

    • 59
    • 82

    Chance Rain Showers

    • 55
    • 80

    Rain Showers Likely

    • 52
    • 78

    Chance Rain Showers

    • 53
    • 79

    Partly Sunny

Today 20 Aug Northern Washington

Partly sunny in the Morning, then becoming cloudy. Highs in the upper 70s. South Winds around 5 Mph.

Tonight 20 Aug Northern Washington

Mostly cloudy in the Evening, then clearing. Lows in the mid 50s. Southwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mill Bay Temperature Statistics

August Temperature

Middlebury State Airport (21.7 miles)

  • Lowest 16 August, 2026

    46.2 °F

  • Average August

    69.6 °F

  • Highest 6 August, 2026

    87.4 °F

Climate (2021–2026)

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

    54.6 °F
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