Northwest U.S. Long Range Weather Forecast for May 1st to May 31st
Includes Idaho, Oregon, Washington
May 2026
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1Rain, cool in WA, OR.
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4Showers continue, turning fair by the 7th.
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8Strong disturbance from the coast spreads stormy conditions to most areas.
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12Warm, pleasant.
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16Unsettled in WA, OR.
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20More clouds than sun.
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24Cool along the Pacific Coast, warmer in ID for Memorial Day.
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28Mostly pleasant.
June 2026
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1Cool, rainy in WA and OR.
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