Questions about Waltham today

What is the UV index in Waltham right now?

The UV index in Waltham, Massachusetts is 1.2 — categorised as Low. You can step out without sun protection.

Is it safe to go outside in Waltham today?

Yes — UV is low (1.2) in Waltham right now. You can step out without sun protection.

How long does it take to get sunburn in Waltham?

Average unprotected skin starts to burn in roughly 2 hr 47 min at the current UV index of 1.2 in Waltham. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.

What does the heat feel like in Waltham today?

Air temperature is 11°C with 46% humidity, giving a "feels like" reading of 11°C — comfortable.

When is the safest time to step outside in Waltham?

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 Waltham, especially through summer.