UV Index Today

Real-time solar radiation monitoring

San Antonio, Texas, United States
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San Antonio

Texas, United States • Local time: 06:56

Live UV Index
06:00
0.0
Low
Peak 8.7 at 14:00

Temp

24.3°C
Clear

Status

Clear

Max

37.4°C

Next 3 Hours

0.0
07:00
0.3
08:00
1.6
09:00

Humidity

79%

Cloud

0%

Wind Spd

6km/h

"Low risk. Minimal protection needed."

Today's UV Forecast

Hourly prediction for San Antonio · Peak 8.7 at 14:00

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00
—
01
—
02
—
03
—
04
—
05
—
06
—
07
0.3
08
1.6
09
3.4
10
5.3
11
7.0
12
8.2
13
8.7
14
8.4
15
7.5
16
5.9
17
4.0
18
2.1
19
0.7
20
—
21
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22
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23

Sunburn Time & SPF

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

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Location Map

29.4110, -98.4850 · Elev. 203 m · America/Chicago

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Live UV Index in San Antonio

This page shows the live UV index for San Antonio, Texas, 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 Antonio.

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

Planning Outdoor Time in San Antonio

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 Texas.