UV index now · Sarnia
All cities →0
Low
No protection needed for most people.
- Peak today
- 1 around 1 PM
- Cover up
- Not needed UV below 3 all day
- Tomorrow
- 2 Low
UV by hour today
FridayPeak UV · next 5 days
- TodayLow · Nov 61
- SaturdayLow · Nov 72
- SundayLow · Nov 82
- MondayModerate · Nov 94
- TuesdayModerate · Nov 104