Washington, United States · 47.61, -122.33
Today's peak is very high. Skin damage happens fast: roughly 21 min before burning at the worst hour. Avoid direct sun entirely inside the danger window below.
About the UV index in Seattle
Seattle sits at 47.6° N, in the northern hemisphere. Today's UV peaks at 8: the "very high" band, which uvlevel.net treats as serious danger for unprotected skin at the worst hour.
Seattle 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
| Local time | UV index | Risk |
|---|---|---|
| 00:00 | 0 | No danger |
| 01:00 | 0 | No danger |
| 02:00 | 0 | No danger |
| 03:00 | 0 | No danger |
| 04:00 | 0 | No danger |
| 05:00 | 0 | No danger |
| 06:00 | 0.5 | No danger |
| 07:00 | 1.6 | No danger |
| 08:00 | 3.2 | Caution |
| 09:00 | 4.9 | Caution |
| 10:00 | 6.5 | Danger |
| 11:00 | 7.6 | Danger |
| 12:00 | 8 | Serious danger |
| 13:00 | 7.6 | Danger |
| 14:00 | 6.5 | Danger |
| 15:00 | 4.9 | Caution |
| 16:00 | 3.2 | Caution |
| 17:00 | 1.8 | No danger |
| 18:00 | 0.9 | No danger |
| 19:00 | 0.4 | No danger |
| 20:00 | 0.1 | No danger |
| 21:00 | 0 | No danger |
| 22:00 | 0 | No danger |
| 23:00 | 0 | No danger |
| Skin type | Time to burn |
|---|---|
| I · always burns, never tans | 17 min |
| II · burns easily | 21 min |
| III · burns sometimes | 29 min |
| IV · rarely burns | 38 min |
| V · brown skin | 50 min |
| VI · deeply pigmented | 1 h 23 min |
Next 7 days · daily peak
Frequently asked
Is the UV index dangerous in Seattle today?
Yes. UV in Seattle is forecast to reach 3 or higher from 07:52 to 16:08 local time today, peaking at 8 (estimated from solar position, live forecast data was unavailable).
What time is UV highest in Seattle?
UV is highest in Seattle at around 12:00 local time today, reaching 8 (estimated from solar position, live forecast data was unavailable).
How long can unprotected skin stay out in Seattle today?
At today's peak of 8, fair skin (Fitzpatrick type II) with no sunscreen burns in about 21 min (estimated from solar position, live forecast data was unavailable). Darker skin types take longer. See the table above for every type.
Does the UV index in Seattle change with the seasons?
Seattle 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
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.