Do I need sunscreen today in Simi Valley, CA
UV Index
Moderate
Today's UV index is moderate. Using sunscreen or other UV protection is recommended. Try to avoid direct sun exposure between 11 AM and 4 PM.
TodayTomorrow
ExtremeVery highHighModerateLow
8PM
11PM
2AM
5AM
LowModerate
Hourly UV and cloud cover
UV index is unitless. Cloud cover is shown as a percentage.
HourUV indexCloud cover
9PM5Moderate75%
10PM4Moderate78%
11PM4Moderate77%
12AM4Moderate72%
1AM2Low66%
2AM1Low57%
3AM0Low46%
4AM0Low44%
5AM0Low41%
6AM0Low38%