Casper, Wyoming

Low

2.7

UV Index · Now

Step out.

You can step out without sun protection.

Unprotected

1 hr 14 min

until skin starts to burn.

With SPF 30

37 hr 2 min

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

HeatComfortable

Air

11°

Feels like

11°

Humidity

24%

Questions about Casper today

What is the UV index in Casper right now?
The UV index in Casper, Wyoming is 2.7 — categorised as Low. You can step out without sun protection.
Is it safe to go outside in Casper today?
Yes — UV is low (2.7) in Casper right now. You can step out without sun protection.
How long does it take to get sunburn in Casper?
Average unprotected skin starts to burn in roughly 1 hr 14 min at the current UV index of 2.7 in Casper. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
What does the heat feel like in Casper today?
Air temperature is 11°C with 24% humidity, giving a "feels like" reading of 11°C — comfortable.
When is the safest time to step outside in Casper?
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 Casper, especially through summer.
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Data: Open-Meteo · Cities: GeoNames (CC-BY 4.0) · Updated Tue 12:00 PM · Refreshes every 30 minutes