Hair Forecast for Seattle, WA
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Hair weather in Seattle
10.0 / 10 Next 24 hours in Seattle: great hair weather. High of 50°F, average wind 2 mph. Updated 2026-11-01.
The Hair Forecast Index for Seattle, Washington, United States starts from the dew point, the best single measure of how much moisture the air will push into your hair, then subtracts for strong wind and heavy rain and adds a little for cool temperatures. Scores of 8 to 10 mean your style should hold; 1 to 4 means frizz, flyaways and a good day to wear it up. The forecast comes from the ECMWF global model and covers the next two days in six-hour steps.