Sunny Hours / UV index / US / San Diego

UV index in San Diego, CA today

Today's peak UV index in San Diego is 6 (high), around 1pm. It is 3 or above from 10am to 5pm, which is when the EPA recommends protecting your skin. Tomorrow's peak is 6 (high).

  • UV now6 (high)
  • Peak today6 (high)
  • Time of peakAround 1pm
  • Hours at 3 or above7
  • Sunrise6:48 am
  • Sunset6:22 pm

UV index in San Diego by hour, next 7 days

Each square is one daylight hour and the number in it is the UV index for that hour. The numbers across the top are the hour of the day.

6a7a8a9a10a11a12p1p2p3p4p5p6p
Today0012356665421
Sat, Oct 100002344654310
Sun, Oct 110000013322210
Mon, Oct 120001123221111
Tue, Oct 130002356665421
Wed, Oct 140012356665321
Thu, Oct 150002356665321
  • Low (1 to 2)
  • Moderate (3 to 5)
  • High (6 to 7)
  • Very high (8 to 10)

Day by day

DayPeak UVLevelAt 3 or aboveSunriseSunset
Today6high10am to 5pm6:48 am6:22 pm
Sat, Oct 106high10am to 5pm6:49 am6:21 pm
Sun, Oct 113moderate12pm to 2pm6:49 am6:20 pm
Mon, Oct 123moderate12pm to 1pm6:50 am6:19 pm
Tue, Oct 136high10am to 5pm6:51 am6:17 pm
Wed, Oct 146high10am to 5pm6:52 am6:16 pm
Thu, Oct 156high10am to 5pm6:52 am6:15 pm

What today's level means

Today's peak of 6 is in the high band. The guidance for that band is: seek shade around midday, cover up and wear sunscreen. The EPA recommends protecting your skin whenever the index is 3 or higher, and you can burn even when it is cloudy.

The UV index depends mostly on how high the sun is in the sky, so it peaks around the middle of the day and is far higher in summer than in winter. It is not the same as temperature. For the full scale and what it means for tanning and burning, see what the UV index numbers mean.

UV tells you how strong the sun is, not whether it will be out. For that, see the sunshine forecast for San Diego.

UV index in other cities

UV forecast for San Diego, California. Updated October 9 at 1:42 PM. This is a forecast, not a measurement. Weather data by Open-Meteo.