Hair Forecast for Boise, ID
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Hair weather in Boise
9.5 / 10 Next 24 hours in Boise: great hair weather. High of 54°F, average wind 10 mph. Updated 2026-11-01.
The Hair Forecast Index for Boise, Idaho, 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.