UV Index in Portland Today — Check Current UV Levels in Portland, Oregon

Current UV Index in Portland, OR

0.3 Low

Low risk. Enjoy being outdoors.

Updated at 11:45 PM local time · Data from Open-Meteo

Check the real-time UV index in Portland right now. Get the current UV level, hourly UV forecast for today, and a 7-day UV outlook for Portland, Oregon. Our free UV checker helps you know exactly when sun protection is needed before heading outdoors.

Current UV Index in Portland

The UV index in Portland changes throughout the day, typically peaking between 10am and 2pm local time. Use our interactive tool above to check the current level. Overcast winters give way to sunny summers where UV can reach surprisingly high levels

Hourly UV Forecast for Portland Today

Planning outdoor activities in Portland, Oregon? Check our hourly UV breakdown to find the safest windows. Morning hours before 10am and late afternoon after 4pm generally have the lowest UV levels. Our forecast updates every 15 minutes with data from Open-Meteo weather services.

7-Day UV Forecast for Portland

Plan your week in Portland with our 7-day UV index forecast. See which days will have the highest UV so you can schedule outdoor activities accordingly and prepare with the right level of sun protection.

Sun Protection Guide for Portland

UV IndexLevelWhat to Do in Portland
0–2LowEnjoy outdoor activities freely. Sunscreen optional for most skin types.
3–5ModerateWear SPF 30+ sunscreen. Seek shade during midday hours in Portland.
6–7HighLimit midday sun exposure. Use SPF 50+, wear a hat and sunglasses.
8–10Very HighMinimize outdoor time between 10am–4pm. Full sun protection essential.
11+ExtremeAvoid direct sun exposure. Stay indoors or in full shade during peak hours.

Typical UV Levels in Portland

Portland typically experiences UV index values of 7–9 during peak season (June–August) and 1–2 during the off-season. Frequent cloud cover moderates UV year-round but summer breaks can bring moderate to high levels

Best Time for Outdoor Activities in Portland

The safest time for outdoor activities in Portland is before 10am and after 4pm when UV levels drop significantly. During summer clear spells, midday UV can reach very high or extreme levels. Always check the current UV index before extended outdoor plans.

Recommended SPF for Portland

During peak UV season in Portland (June–August), dermatologists recommend SPF 50+ broad-spectrum sunscreen. Apply 15–20 minutes before sun exposure and reapply every 2 hours — or immediately after swimming or sweating. During lower UV months, SPF 30 is typically sufficient for most skin types.

Portland UV Index by Season

High UV Season in Portland

UV levels in Portland are highest during summer clear spells, with the UV index regularly reaching 7–9. During this period, unprotected fair skin can burn in as little as 10–15 minutes. Protective clothing, wide-brim hats, and UV-blocking sunglasses are recommended alongside sunscreen.

Low UV Season in Portland

UV levels in Portland drop through the cloudy autumn and winter months, typically measuring 1–2 on the UV index scale. While the burn risk is lower, UV radiation still reaches the surface — especially on clear days. SPF 30 is recommended for extended outdoor time even during the cooler months.

Recommended Sun Protection

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Sun Safety FAQ for Portland

What is the average UV index in Portland?

The average UV index in Portland ranges from 1–2 during the low season to 7–9 during peak months (June–August). Year-round averages depend on season, cloud cover, and time of day.

When is UV highest in Portland?

UV is highest in Portland during summer clear spells, peaking between 10am and 2pm local time. The strongest UV months are typically June–August.

Do I need sunscreen in Portland?

Yes — whenever the UV index reaches 3 or higher in Portland, the World Health Organization recommends sun protection. During peak season (June–August), daily sunscreen use is strongly advised for all skin types.

UV Index Near Portland

Check UV levels in cities near Portland:

UV Index in Other Cities

About UV Index in Portland

The UV index in Portland, Oregon is influenced by latitude, altitude, season, cloud cover, and ozone layer thickness. UV radiation reflects off water, sand, snow, and concrete — increasing exposure even in shaded areas. Always check the current UV index before spending extended time outdoors in Portland. Data is updated every 15 minutes via Open-Meteo weather services.

Disclaimer: UV index data, sunburn estimates, and sun protection recommendations for Portland are approximate and for informational purposes only — not medical advice. Actual conditions vary based on local weather, altitude, and surface reflection. Consult a healthcare professional for personalized sun protection guidance.