Antioch, California

High

6.3

UV Index · Now

Cover up.

Wear long sleeves, SPF 30+, and seek shade midday.

Unprotected

31 min

until skin starts to burn.

With SPF 30

15 hr 45 min

Average unprotected skin. Lighter skin burns faster, darker skin slower.

HeatComfortable

Air

23°

Feels like

23°

Humidity

40%

Questions about Antioch today

What is the UV index in Antioch right now?
The UV index in Antioch, California is 6.3 — categorised as High. Wear long sleeves, SPF 30+, and seek shade midday.
Is it safe to go outside in Antioch today?
Caution — UV is high (6.3) in Antioch. Wear long sleeves, SPF 30+, and seek shade midday. The peak risk window is roughly 11 am to 4 pm.
How long does it take to get sunburn in Antioch?
Average unprotected skin starts to burn in roughly 31 min at the current UV index of 6.3 in Antioch. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
What does the heat feel like in Antioch today?
Air temperature is 23°C with 40% humidity, giving a "feels like" reading of 23°C — comfortable.
When is the safest time to step outside in Antioch?
UV is highest between 11 am and 4 pm. Early mornings (before 9 am) and late afternoons (after 5 pm) are the safest windows for unprotected skin in Antioch, especially through summer.
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Data: Open-Meteo · Cities: GeoNames (CC-BY 4.0) · Updated Tue 8:30 AM · Refreshes every 30 minutes