- Clothing
- Waterproof jacket and umbrella strongly recommended.
Tomorrow's Weather Forecast - Eugene
Tomorrow's weather in Eugene. high 20°C (68°F), low 10°C (50°F). Drizzle.
Tomorrow’s Outlook
Tomorrow will be 3°C cooler than today. Expect heavy rain in the evening, with rain chances climbing as high as 77%. That risk lines up with humidity averaging 79% through the day the more moisture in the air, the more readily clouds build into showers. Humidity holds around 79%, giving the air a damp, heavy feel even without much heat behind it. A light breeze near 24 km/h is expected. Sunrise is at 6:48 AM and sunset at 7:27 PM, for about 12h 40m of daylight.
- Tomorrow
- 20°/ 10°
- Today23° / 8°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon13°
- Rain probability
- 1%
- Wind speed
- 9 km/h
AfternoonNoon – 6 PM17°
- Rain probability
- 44%
- Wind speed
- 24 km/h
Evening6 PM – Midn13°
- Rain probability
- 77%
- Wind speed
- 11 km/h
NightMidn – 6 AM11°
- Rain probability
- 0%
- Wind speed
- 6 km/h
24-Hour Rain & Temperature Forecast
Tomorrow12 Sep
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Planning Advice for Tomorrow
- Outdoor
- Not ideal for outdoor plans or car washes — heavy rain expected.
- Travel
- Expect traffic slowdowns from wet roads. Allow extra time.
Sunrise & Sunset
Sunrise
Dawn 6:18 AMTotal Daylight
Full day forecastSolar noon 1:08 PM
Sunset
Dusk 7:57 PMvs today-3 min daylight
Sunrise shift1 min later
Sunset shift2 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Eugene is forecast to reach a high of 20°C tomorrow, with an overnight low around 10°C. That's 4° below the long-term average high of 24°C for this time of year. It continues a recent pattern — 7 of the last 28 days with published data have run cooler than normal. Expect a high chance of rain (77% probability) and moderate breezes averaging 24 km/h. Air quality is currently Moderate (AQI 52), driven mainly by PM2.5 at 10 μg/m³.
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
Air Quality
Moderate
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.