Heat stress in Scottsdale
Upscale desert city where relentless sun and bone-dry 110°F days keep heat-stress risk high despite the low humidity.
Limit outdoor exertion. Drink water every 15 minutes and rest in shade.
Live wet-bulb globe temperature via the Liljegren (2008) method · automatically refreshed about every 30 minutes.
View Scottsdale on the live mapModerate acclimatized work: ~45 min work / 15 min rest, tightening toward ~30/30 near 30 °C. Unacclimatized or heavy work should stop routine work in this band.
Screening guidance from ACGIH TLV, GHSA/KSI/NATA, and TB MED 507. WBGT is a composite index, not air temperature. These are acclimatized-population defaults — the unacclimatized, older, ill, or those on certain medications are at higher risk. Not a substitute for a required on-site WBGT reading or your employer / league / command policy.
Reading heat stress in Scottsdale
Wet-bulb globe temperature (WBGT) is the heat measure that actually tracks danger to the body. Unlike the plain air temperature on your phone, it folds in humidity, wind, and direct sun — the factors that decide whether your sweat can still cool you. It’s the standard the military, athletic associations, and occupational-safety bodies use to call when outdoor activity is no longer safe.
That matters in Scottsdale because upscale desert city where relentless sun and bone-dry 110°F days keep heat-stress risk high despite the low humidity. The number above is the live outdoor WBGT for the city right now; tap through to the live map to inspect any neighborhood, scrub the forecast hour by hour, and see the 7-day outlook.
Heat in Scottsdale: common questions
What is the WBGT in Scottsdale right now?
Right now it's about 85°F WBGT (high heat stress). This page shows the live wet-bulb globe temperature for Scottsdale, Arizona, refreshed automatically about every 30 minutes. Open the live map for an exact reading at your neighborhood and an hour-by-hour forecast.
Why is WBGT more useful than the temperature for Scottsdale?
Air temperature ignores humidity, wind, and sun — the things that decide whether heat is dangerous. Scottsdale's climate (upscale desert city where relentless sun and bone-dry 110°F days keep heat-stress risk high despite the low humidity.) is exactly why a single "feels-like" or thermometer reading can understate the real risk. WBGT captures all of it in one number.
When is heat most dangerous in Scottsdale?
Heat stress typically peaks in the early-to-mid afternoon, when sun load is highest. Plan strenuous outdoor activity for early morning or evening, hydrate ahead of time, and use the forecast scrubber on the live map to find the safest window.
Is WetBulbTracker free to use for Scottsdale?
Yes. WetBulbTracker is free, needs no account, and works for anywhere on Earth — not just Scottsdale. You can install it to your home screen and even set heat alerts.
Put Scottsdale’s live heat stress on your site
A self-updating WBGT badge for schools, teams, camps, and local sites — it always shows the current reading and links back here.
<iframe src="https://wetbulbtracker.com/embed/scottsdale-az" width="340" height="150" style="border:0" title="Live WBGT — Scottsdale, AZ" loading="lazy"></iframe>Paste it into any website. The badge updates itself and links back here. Add ?theme=light for light sites.