Decatur, Illinois
Low0.8
UV Index · Now
Step out.
You can step out without sun protection.
Unprotected
4 hr 27 min
until skin starts to burn.
With SPF 30
133 hr 20 min
Average unprotected skin. Lighter skin burns faster, darker skin slower.
HeatComfortable
Air
15°
Feels like
15°
Humidity
75%
Questions about Decatur today
- What is the UV index in Decatur right now?
- The UV index in Decatur, Illinois is 0.8 — categorised as Low. You can step out without sun protection.
- Is it safe to go outside in Decatur today?
- Yes — UV is low (0.8) in Decatur right now. You can step out without sun protection.
- How long does it take to get sunburn in Decatur?
- Average unprotected skin starts to burn in roughly 4 hr 27 min at the current UV index of 0.8 in Decatur. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
- What does the heat feel like in Decatur today?
- Air temperature is 15°C with 75% humidity, giving a "feels like" reading of 15°C — comfortable.
- When is the safest time to step outside in Decatur?
- 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 Decatur, especially through summer.
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Data: Open-Meteo · Cities: GeoNames (CC-BY 4.0) · Updated Tue 2:00 PM · Refreshes every 30 minutes