uvlevel.net

UV index in Portland

Oregon, United States · 45.52, -122.68

Today's peak15:00 local
4.6

Today's peak reaches moderate levels. Unprotected skin starts to redden in about 36 min at the worst hour: shade, sunglasses and SPF 30 are enough.

Danger window today (UV 3+)
11:18 → 16:08
Sunrise → sunset
06:4919:21
Open the live dashboard for Portland

About the UV index in Portland

Portland sits at 45.5° N, in the northern hemisphere. Today's UV peaks at 4.6: the "moderate" band, which uvlevel.net treats as caution for unprotected skin at the worst hour.

Portland sees the widest UV swing of the year of any latitude band: a sharp summer peak around June and July, and a winter trough around December and January where midday UV can sit near zero for weeks at a time.

Hour by hour today

UV index for every hour of today in Portland, 45.52, -122.68, local time.
Local timeUV indexRisk
00:000No danger
01:000No danger
02:000No danger
03:000No danger
04:000No danger
05:000No danger
06:000No danger
07:000No danger
08:000.2No danger
09:001.1No danger
10:002No danger
11:002.8No danger
12:003.6Caution
13:004.4Caution
14:004Caution
15:004.6Caution
16:003.1Caution
17:002.4No danger
18:001.5No danger
19:000.4No danger
20:000No danger
21:000No danger
22:000No danger
23:000No danger

Time to burn today

Time to burn without sunscreen, per Fitzpatrick skin type, at today's peak of UV 4.6 in Portland. Real-world sunscreen use is about a third of the tested layer, so a treated time is a ceiling, not a promise.
Skin typeTime to burn
I · always burns, never tans29 min
II · burns easily36 min
III · burns sometimes51 min
IV · rarely burns1 h 05 min
V · brown skin1 h 27 min
VI · deeply pigmented2 h 25 min

Next 7 days · daily peak

Today
11:1816:08
4.6
Wed 16
10:2316:48
5.5
Thu 17
10:2516:45
5.4
Fri 18
10:3316:43
5.5
Sat 19
10:2616:36
5.4
Sun 20
10:4016:33
5.4
Mon 21
11:0016:25
4.2

Frequently asked

Is the UV index dangerous in Portland today?

Yes. UV in Portland is forecast to reach 3 or higher from 11:18 to 16:08 local time today, peaking at 4.6.

What time is UV highest in Portland?

UV is highest in Portland at around 15:00 local time today, reaching 4.6.

How long can unprotected skin stay out in Portland today?

At today's peak of 4.6, fair skin (Fitzpatrick type II) with no sunscreen burns in about 36 min. Darker skin types take longer. See the table above for every type.

Does the UV index in Portland change with the seasons?

Portland sees the widest UV swing of the year of any latitude band: a sharp summer peak around June and July, and a winter trough around December and January where midday UV can sit near zero for weeks at a time.

Nearby cities

Browse all cities →Burn-time guide →How the forecast works →

Forecasts and elevation from Open-Meteo. The second UV opinion contains modified Copernicus Atmosphere Monitoring Service (CAMS) information; neither the European Commission nor ECMWF is responsible for how it is used here.

uvlevel.net gives general sun-safety guidance, not medical advice. Photosensitising medication, skin conditions, infants and a history of skin cancer all call for stricter limits than shown here.