Island Lake Weather Forecast

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    • 36

    Snow Showers

    • 37
    • 40

    Rain Showers

    • 32
    • 40

    Rain/Snow

    • 34
    • 37

    Snow Showers Likely

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    • 41

    Snow Showers Likely

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    • 42

    Snow Showers Likely

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    Chance Rain/Snow

Today 15 May South Washington Cascades

Rain this afternoon. Snow level 4000 feet. West wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 15 May South Washington Cascades

Mostly cloudy with a 50 percent chance of rain. Snow level 5000 feet. West wind 5 to 10 Mph. Rainfall Amounts around a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lake Temperature Statistics

May Temperature

Southwest Washington Regional Airport (38.5 miles)

  • Lowest 4 May, 2025

    35.1 °F
  • Average May

    55.6 °F
  • Highest 1 May, 2025

    84 °F

Climate (2020–Present)

Southwest Washington Regional Airport (38.5 miles)

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  • Average Low 2020–2025

    45 °F
  • Average 2020–2025

    52.7 °F
  • Average High 2020–2025

    62.1 °F
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