Do I need sunscreen tomorrow in Simi Valley, CA

UV Index

Moderate

This day'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.

Wed24 hours

ExtremeVery highHighModerateLow

12AM

4AM

8AM

12PM

4PM

8PM

11PM

LowModerate

UV index is unitless. Cloud cover is shown as a percentage.

Peak UV 4

HourUV indexCloud cover

7AM0Low39%

8AM0Low38%

9AM0Low32%

10AM0Low34%

11AM0Low41%

12PM0Low51%

1PM0Low61%

2PM0Low68%

3PM1Low71%

4PM1Low76%

5PM2Low77%

6PM3Moderate78%

7PM3Moderate77%

8PM4Moderate79%

9PM4Moderate77%

10PM3Moderate71%

11PM2Low66%

12AM1Low55%

1AM1Low46%

2AM1Low35%

3AM0Low27%

4AM0Low23%

5AM0Low29%

6AM0Low32%