Cambridge, Massachusetts

Low

0.0

UV Index · Now

Step out.

You can step out without sun protection.

Unprotected

No burn risk now

until skin starts to burn.

With SPF 30

No burn risk now

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

HeatComfortable

Air

Feels like

Humidity

75%

Questions about Cambridge today

What is the UV index in Cambridge right now?
The UV index in Cambridge, Massachusetts is 0.0 — categorised as Low. You can step out without sun protection.
Is it safe to go outside in Cambridge today?
Yes — UV is low (0.0) in Cambridge right now. You can step out without sun protection.
How long does it take to get sunburn in Cambridge?
There is no meaningful burn risk in Cambridge right now (UV is 0.0). Risk rises rapidly once UV crosses 3.
What does the heat feel like in Cambridge today?
Air temperature is 7°C with 75% humidity, giving a "feels like" reading of 7°C — comfortable.
When is the safest time to step outside in Cambridge?
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 Cambridge, especially through summer.
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Data: Open-Meteo · Cities: GeoNames (CC-BY 4.0) · Updated Tue 5:45 PM · Refreshes every 30 minutes