John Sam Lake Weather Forecast

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    Rain

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    Rain

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    Rain

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    Chance Rain

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    Rain Likely

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    Slight Chance Rain

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    Mostly Cloudy

Today 15 May Downtown Everett / Marysville Area

Cloudy in the Morning, then a slight 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 50s to lower 60s. South wind around 10 Mph.

Tonight 15 May Downtown Everett / Marysville Area

Cloudy. Rain at Times in the Evening, then a chance of rain in the late evening and early morning. A slight chance of rain late in the night. Rainfall Amounts less than a tenth of an inch likely. Lows in the mid to upper 40s. West wind to 10 Mph becoming southeast around 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

John Sam Lake Temperature Statistics

May Temperature

Arlington Municipal Airport (5 miles)

  • Lowest 5 May, 2025

    36 °F
  • Average May

    54.4 °F
  • Highest 6 May, 2025

    77 °F

Climate (2020–Present)

Arlington Municipal Airport (5 miles)

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  • Average Low 2020–2025

    42.4 °F
  • Average 2020–2025

    50.5 °F
  • Average High 2020–2025

    59.5 °F
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