HairCast combines local humidity, dew point, and your hair profile to recommend the optimal heat styling temperature — and tells you how long your style will last.
Today's Recommendation
Styling temperature guidance based on weather conditions and general hair science. Results are estimates.
Features
Fine, medium, or coarse. Low, medium, or high porosity. Color-treated or bleached. Your optimal °F — calculated daily from local weather.
Will your blowout last through dinner? HairCast models humidity, dew point, and wind to estimate how many hours your style will hold. (Pro)
Plan your wash day around the week's best styling window. Tap any day to see hourly scores and the optimal morning window. (Pro)
Bleached or high-porosity hair needs extra protection. HairCast flags high-risk days and recommends skipping or lowering heat. (Pro)
Sleek, waves, curls, or volume — today's humidity-aware tips are matched to your goal and your hair, not a generic blog post. (Pro)
No account required. Hair profile and cached weather stored locally on device. Works even when you lose signal mid-styling routine.
Hair Profiles Supported
How It Works
Tell HairCast your thickness, porosity, condition, tool, and goal style — once, at setup
Local humidity, dew point, and wind are fetched automatically from Open-Meteo
Style Score (GO / CAUTION / SKIP), exact °F setting, and hold time estimate — every morning
Free to use. Pro features $4.99/month.
Download on the App Store