UV Index Today

Real-time solar radiation monitoring

San Jose, California, United States
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San Jose

California, United States • Local time: 17:22

Live UV Index
17:00
5.0
Moderate
Peak 8.1 at 14:00

Temp

31.8°C
Sunny

Status

Sunny

Max

33.4°C

Next 3 Hours

3.2
18:00
1.6
19:00
0.4
20:00

Humidity

27%

Cloud

0%

Wind Spd

13.2km/h

"Moderate risk. Seek shade near midday."

Today's UV Forecast

Hourly prediction for San Jose · Peak 8.1 at 14:00

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00
—
01
—
02
—
03
—
04
—
05
—
06
0.1
07
0.9
08
2.4
09
4.2
10
5.8
11
7.2
12
8.0
13
8.1
14
7.6
15
6.5
16
5.0
17
3.2
18
1.6
19
0.4
20
—
21
—
22
—
23

Sunburn Time & SPF

Estimate burn time for your skin type at UV 5.0 in San Jose.

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Location Map

37.3475, -121.8808 · Elev. 33 m · America/Los_Angeles

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Live UV Index in San Jose

This page shows the live UV index for San Jose, California, United States. Use the current reading, today's peak estimate, and the all-day hourly forecast to plan outdoor time and sun protection in San Jose.

UV intensity can change quickly around midday. Check the peak time and hourly bars for San Jose before long outdoor activities, and increase protection when the index moves into High or above.

Planning Outdoor Time in San Jose

Pair the live UV index with temperature, cloud cover, and wind to judge comfort and exposure risk. Even on cooler or breezy days, high UV can still cause skin damage.

Want nearby comparisons? Browse all cities in California.