The hottest month in Eugene is typically August, with daytime highs averaging around 29.3°C (85°F), based on 10 years of historical weather data. Overnight lows during this period average near 13.6°C (56°F).

What is the coldest month in Eugene?

The coldest month in Eugene is typically February, with overnight lows averaging around 1.1°C (34°F) and daytime highs near 9.6°C (49°F), based on 10 years of historical weather data.

Does Eugene have a rainy season?

Eugene doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. December is the wettest month on average (about 206 mm), while July is the driest (about 5 mm).

What's the best time of year to visit Eugene?

The best time to visit Eugene is typically June, when daytime highs average a comfortable 23.5°C (74°F). Rainfall during this window averages around 43 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Is Eugene's air quality safe right now?

As of the latest reading, Eugene's air quality index (AQI) is 14, rated "Good", based on the nearest monitoring station. Air quality is considered satisfactory, with little to no health risk.

Atmospheric Details

Wind

5 km/h

NW · Light Breeze · Max 13 km/h

Humidity

90 %

High · feels muggy

UV Index

High

Visibility

16 km

Excellent

Pressure

1000 hPa

Low · change likely

Dew Point

7°C

Comfortable

Today vs Normal

23°C-2° below normal

The long-term average high for today is 25°C.

7 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running below normal.

Red = above normal, blue = at or below · last 12 days

Air Quality

Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Health & Activity Advice

✅ Good for Outdoors

UV index is 6 today — moderate. Sunscreen is worth using for extended time outside, but no special precautions are needed for short trips.

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Conditions are comfortable for outdoor activity at most points during the day today.