Green Bay, Wisconsin

Low

2.3

UV Index · Now

Step out.

You can step out without sun protection.

Unprotected

1 hr 27 min

until skin starts to burn.

With SPF 30

43 hr 29 min

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

HeatComfortable

Air

16°

Feels like

16°

Humidity

45%

Questions about Green Bay today

What is the UV index in Green Bay right now?
The UV index in Green Bay, Wisconsin is 2.3 — categorised as Low. You can step out without sun protection.
Is it safe to go outside in Green Bay today?
Yes — UV is low (2.3) in Green Bay right now. You can step out without sun protection.
How long does it take to get sunburn in Green Bay?
Average unprotected skin starts to burn in roughly 1 hr 27 min at the current UV index of 2.3 in Green Bay. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
What does the heat feel like in Green Bay today?
Air temperature is 16°C with 45% humidity, giving a "feels like" reading of 16°C — comfortable.
When is the safest time to step outside in Green Bay?
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 Green Bay, 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