Portland UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index5.7
- Avg Clouds8%
- Max Temp29 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Portland, United States 
will reach a high of 5.7 today. This means a moderate level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-17
Hourly Forecast Chart
Today's Safety Tips
The sun is a bit strong. Find some shade during midday. Wear a hat, sunglasses, and use SPF 30+ sunscreen if you'll be outside for a while.
Portland's UV Index
Portland's UV index varies throughout the year, generally ranging from low in the winter to moderate or high in the summer months. The highest UV levels usually occur in June and July.
Weather Seasons
Portland experiences mild, wet winters and warm, dry summers. Rain is common from October to April, while July and August are the driest and sunniest months. Spring and fall bring moderate temperatures and some rain.
Portland's Climate
Compared to the Pacific Northwest, Portland gets less rain than Seattle but more than cities east of the Cascade Mountains. It has cooler, wetter conditions than California cities but milder winters than northern states like Montana or Minnesota.
Hourly UV Index Trend
See the UV index hour by hour for Portland. When the level is high, it's smart to find some shade.
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