Evanston, Illinois

Low

2.1

UV Index · Now

Step out.

You can step out without sun protection.

Unprotected

1 hr 35 min

until skin starts to burn.

With SPF 30

47 hr 37 min

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

HeatComfortable

Air

18°

Feels like

18°

Humidity

46%

Questions about Evanston today

What is the UV index in Evanston right now?
The UV index in Evanston, Illinois is 2.1 — categorised as Low. You can step out without sun protection.
Is it safe to go outside in Evanston today?
Yes — UV is low (2.1) in Evanston right now. You can step out without sun protection.
How long does it take to get sunburn in Evanston?
Average unprotected skin starts to burn in roughly 1 hr 35 min at the current UV index of 2.1 in Evanston. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
What does the heat feel like in Evanston today?
Air temperature is 18°C with 46% humidity, giving a "feels like" reading of 18°C — comfortable.
When is the safest time to step outside in Evanston?
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 Evanston, especially through summer.
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Data: Open-Meteo · Cities: GeoNames (CC-BY 4.0) · Updated Tue 12:30 PM · Refreshes every 30 minutes