UV Index Today in Eugene, Oregon

Current UV
Today's Max

Hourly UV Forecast

low moderate high very high extreme

Surface Type

Reflective surfaces increase your UV exposure — snow reflects up to 90%, sand about 20%.

Safe Exposure Time

Estimated burn times based on the Fitzpatrick scale for skin color and today's maximum UV index of . Tap your skin type:

Very fair skin, always burns, never tans

Time until burn
With SPF 15*
With SPF 30*

*Assumes proper application of broad-spectrum sunscreen with reapplication every 2 hours. Estimates follow WHO guidance and satellite-derived data — see how our data works.

Sun Times

Dawn
Sunrise
Solar Noon
Sunset
Dusk
Day Length
Morning Golden Hour Ends
Evening Golden Hour

Important Safety Information

General Guidelines

These exposure times are estimates based on scientific research and should be used as general guidelines only. Individual responses to UV exposure may vary.

Affecting Factors

UV exposure is affected by: time of day, season, altitude, cloud cover, reflection from surfaces, and individual skin sensitivity.

Protection Tips

Seek shade during peak UV hours (10 AM - 4 PM), wear protective clothing, use broad-spectrum sunscreen, and monitor the UV index regularly.

Medical Advice

Consult a healthcare provider for personalized sun protection advice, especially if you have a history of skin conditions or take medications that increase sun sensitivity.

Eugene's UV Climate

Eugene, at the southern end of Oregon's Willamette Valley, is TrackTown USA — a running city where the miles pile up on the Pre's Trail woodchips and the Ruth Bascom riverbank paths in every season. Its UV climate splits sharply: gray, drizzly months with negligible sun, then a dry summer when clear skies and long northern days deliver stronger UV than most residents credit, especially for runners and river floaters logging midday hours.

Average Annual UV Index

5.4

Peak UV Season

May - September

Sunny Days per Year

155

Typical UV Index by Season in Eugene

Season Typical Midday UV Protection Needed
Summer High to Very High (7-9) SPF 30+, hat, sunglasses; shade from 10 AM – 4 PM
Spring & Fall Moderate (3-6) SPF 30+ for extended time outdoors
Winter Low (1-2) Sunscreen for long midday exposure; more on snow

UV Index in Nearby Cities

Practical Tips for Outdoor Activities

Make the most of outdoor activities while staying safe in Lane County:

UV and Weather in Lane County

Learn about Lane County's unique climate patterns, UV radiation levels, and how they affect your daily life. Enter your zip code for location-specific weather radar data and UV forecasts to help you make informed decisions about outdoor activities and sun protection.

Climate and UV Patterns

Eugene's Mediterranean-influenced marine climate concentrates nearly all its sunshine between May and September, when midday UV index values reach 7-9. The forested valley setting offers real shade options, but the running and cycling routes along the Willamette are largely open. The rainy season's persistent overcast keeps UV genuinely low from November through March — which makes the summer swing feel more abrupt.

UV Index and Health Impact

Understanding UV radiation levels is crucial for protecting your health. Typical clear-day UV index values in Eugene through the year:

  • Summer: High to Very High (7-9)
  • Spring/Fall: Moderate (3-6)
  • Winter: Low (1-2)
  • Peak UV hours: 10 AM - 4 PM
  • Cloud cover can reduce UV by 20-40%, but does not eliminate it
  • Clear skies bring maximum UV exposure

Local Weather Patterns

Once the dry season locks in around July, Eugene enjoys weeks of cloudless, low-humidity weather with comfortable temperatures that encourage long midday runs and river time — prime conditions for quiet overexposure. Track meets and festivals fill open venues through the brightest months. Late-summer wildfire smoke occasionally filters the sun; the return of Pacific rain in fall shuts the UV season down decisively.

Frequently Asked Questions About UV in Eugene

What is the UV index in Eugene today?

The live UV index for Eugene, OR is shown at the top of this page and updates throughout the day, along with today's maximum and an hourly forecast.

When is the sun strongest in Eugene?

UV radiation is strongest between 10 AM and 4 PM. Eugene's peak UV season runs May - September, when the midday index typically reaches High to Very High (7-9).

How high does the UV index get in Eugene?

Summer days in Eugene typically reach High to Very High (7-9). Spring and fall usually bring Moderate (3-6), while winter values are typically Low (1-2).

Do I need sunscreen in Eugene during winter?

Winter UV in Eugene is low under persistent overcast; sun protection becomes relevant again when the dry season returns in late spring.

How sunny is Eugene compared to other cities?

Eugene averages about 155 sunny days per year with an average annual UV index around 5.4.