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.

Tomorrow24 hours
ExtremeVery highHighModerateLow
LowModerate

Hourly UV and cloud cover

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

Peak UV 4
HourUV indexCloud cover
05%
06%
07%
06%
08%
09%
011%
013%
016%
112%
111%
211%
214%
319%
413%
38%
27%
18%
111%
015%
020%
012%
011%
011%

Quick answer — San Mateo, CA

Moderate — San Mateo, CA

UV index tomorrow in San Mateo, CA: 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.

Verdict
Moderate
High / Low
70° / 53°
Details
This day's UV index is moderate. Using sunscreen or other…

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UV index tomorrow in San Mateo, CA | Fit Check - Weather