UV Index Today

Real-time solar radiation monitoring

Cupertino, California, United States
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Cupertino

California, United States • Local time: 02:21

Live UV Index
02:00
0.0
Low
Peak 7.4 at 14:00

Temp

15.4°C
Partly Cloudy

Status

Partly Cloudy

Max

32.9°C

Next 3 Hours

0.0
03:00
0.0
04:00
0.0
05:00

Humidity

80%

Cloud

77%

Wind Spd

5.9km/h

"Low risk. Minimal protection needed."

Today's UV Forecast

Hourly prediction for Cupertino · Peak 7.4 at 14:00

—
00
—
01
—
02
—
03
—
04
—
05
—
06
0.1
07
0.6
08
1.7
09
3.4
10
4.8
11
6.1
12
7.1
13
7.4
14
6.1
15
5.5
16
4.0
17
2.3
18
0.9
19
0.1
20
—
21
—
22
—
23

Sunburn Time & SPF

Estimate burn time for your skin type at UV 0.0 in Cupertino.

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Location Map

37.3121, -122.0445 · Elev. 74 m · America/Los_Angeles

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Live UV Index in Cupertino

This page shows the live UV index for Cupertino, 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 Cupertino.

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

Planning Outdoor Time in Cupertino

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.