UV index Williamstown today
Today’s peak UV 7, High
High
Peaks around 2:00pm
UV now 0
Sun protection times in Williamstown today: 10:40am to 4:50pm. Times in ACDT.
Updated 1:22am ACDT. Forecast from Open-Meteo.
UV index Williamstown tomorrow
- Tuesday7High11:20am to 4:50pm
Hat weather from 11:20am. UV climbs to 7 around the middle of the day.
5-day UV forecast
- Wednesday8Very high9:10am to 5:00pm
- Thursday8Very high9:10am to 5:00pm
- Friday3ModerateUV stays below 3
- Saturday7High9:10am to 4:50pm
- Sunday7High9:00am to 5:00pm
Hourly UV forecast for Williamstown
| Time | UV index | Category |
|---|---|---|
| 9am | 1 | Low |
| 10am | 1 | Low |
| 11am | 4 | Moderate |
| 12pm | 2 | Low |
| 1pm | 4 | Moderate |
| 2pm | 7 | High |
| 3pm | 4 | Moderate |
| 4pm | 5 | Moderate |
| 5pm | 3 | Moderate |
| 6pm | 1 | Low |
What to do at UV 7
High. Unprotected fair skin can burn in around 25 minutes, so hat and sunscreen on before you go. More about UV 7
- Slip on clothing that covers your shouldersCollared shirts and long sleeves do more than any sunscreen.
- Slop on SPF 50 or 50+ sunscreenBroad-spectrum and water-resistant, 20 minutes before you go out. Reapply every two hours.
- Slap on a broad-brimmed hatWide enough to shade your face, ears and neck. Caps leave too much exposed.
- Seek shadeTrees, umbrellas and shade sails cut UV, but reflected light still reaches you.
- Slide on wraparound sunglassesLook for category 2 or higher under the Australian Standard.
UV in Williamstown over the past week
Peak UV each day. This history grows every day the site runs.
| Day | Peak UV | Category |
|---|---|---|
| Monday | 7 | High |
| Tuesday | 6 | High |
| Wednesday | 7 | High |
| Thursday | 7 | High |
| Friday | 7 | High |
| Saturday | 5 | Moderate |
| Sunday | 5 | Moderate |
Days at 8 or above this season: 0
Nearby suburbs and beaches
FAQs about UV in Williamstown
- What time is UV highest in Williamstown?
- UV is highest around the middle of the day, when the sun is at its highest point. Today in Williamstown it peaks around 2:00pm at 7, which is High.
- Do I need sunscreen in Williamstown today?
- Yes, from 10:40am to 4:50pm, when UV is 3 or higher. Outside those hours the risk is low for short spells outside.
- When does UV drop below 3 in Williamstown?
- At about 4:50pm today (ACDT). It rises above 3 again from about 11:20am tomorrow.
- How accurate is this forecast?
- It’s a model forecast that accounts for the sun’s angle, ozone and expected cloud, and it updates about every hour. Real readings can differ on patchy days, when cloud moves through faster than a model can predict. The nearest live sensor is in Hobart, 1176 km south-east.