Apple Watch Ultra User Guide
- Welcome
- What’s new
-
- Apple Watch Ultra gestures
- Use double tap to perform common actions
- Set up and pair your Apple Watch Ultra with iPhone
- Set up more than one Apple Watch
- Pair Apple Watch Ultra with a new iPhone
- Choose a function for the Action button on Apple Watch Ultra
- The Apple Watch app
- Charge Apple Watch Ultra
- Turn on and wake Apple Watch Ultra
- Lock or unlock Apple Watch Ultra
- Change language and orientation on Apple Watch Ultra
- Remove, change, and fasten Apple Watch bands
-
- Apps on Apple Watch Ultra
- Open apps
- Organize apps
- Get more apps
- Tell time
- Status icons
- Control Center
- Use Focus
- Adjust brightness, text size, sounds, and haptics
- See and respond to notifications
- Change notification settings
- Use the Smart Stack to show timely widgets
- Manage your Apple ID
- Use shortcuts
- See time in daylight
- Set up Handwashing
- Connect Apple Watch Ultra to a Wi-Fi network
- Connect to Bluetooth headphones or speakers
- Hand off tasks from Apple Watch Ultra
- Unlock your Mac with Apple Watch Ultra
- Unlock your iPhone with Apple Watch Ultra
- Use Apple Watch Ultra without its paired iPhone
- Set up and use cellular service on Apple Watch Ultra
-
- Alarms
- Blood Oxygen
- Calculator
- Calendar
- Camera Remote
- Contacts
- ECG
- Medications
- Memoji
- News
- Now Playing
- Reminders
- Stocks
- Stopwatch
- Timers
- Tips
- Voice Memos
- Walkie-Talkie
-
- About Wallet
- Apple Pay
- Set up Apple Pay
- Make purchases
- Send, receive, and request money with Apple Watch Ultra (U.S. only)
- Manage Apple Cash (U.S. only)
- Use Wallet for passes
- Use rewards cards
- Pay with Apple Watch Ultra on Mac
- Ride transit
- Use your driver’s license or state ID
- Use digital keys
- Use COVID-19 vaccination cards
- World Clock
-
- VoiceOver
- Set up Apple Watch Ultra using VoiceOver
- Apple Watch Ultra basics with VoiceOver
- Apple Watch Mirroring
- Control nearby devices
- AssistiveTouch
- Use a braille display
- Use a Bluetooth keyboard
- Zoom
- Tell time with haptic feedback
- Adjust text size and other visual settings
- Adjust motor skills settings
- Set up and use RTT
- Accessibility audio settings
- Type to speak
- Use accessibility features with Siri
- The Accessibility Shortcut
- Copyright
Track your nightly wrist temperature with Apple Watch Ultra
Wear Apple Watch Ultra to bed to track nightly changes in your wrist temperature, which can provide insight into your well-being. In addition, Cycle Tracking can use wrist temperature data to improve period predictions and Receive retrospective ovulation estimates with Apple Watch Ultra.
To establish your temperature baseline, wear your Apple Watch Ultra to bed with Sleep Tracking turned on.
Important: The temperature sensing feature is not a medical device, and is not intended for use in medical diagnosis, treatment, or for any other medical purpose.
Set up wrist temperature tracking
Set up Sleep with Track Sleep with Apple Watch turned on.
To establish a temperature baseline, ensure the Sleep Focus is on, then wear your Apple Watch Ultra while sleeping.
Wrist temperature data will be available after about five nights.
Note: Your body temperature naturally fluctuates, and can vary from night to night due to a number of variables. Wrist temperature can also be impacted by external factors like your sleep environment.
Review your wrist temperature
Open the Health app on your iPhone, then tap Browse.
Tap Body Measurements, then tap Wrist Temperature.
To show sample details, tap a point on the chart.
Turn off wrist temperature tracking
Open the Settings app
on your Apple Watch Ultra.Go to Privacy & Security > Health.
Tap Wrist Temperature, then turn off Wrist Temperature.
You can also open the Apple Watch app on your iPhone, tap My Watch, tap Privacy, then turn off Wrist Temperature.