Live Weather & Forecast

Weather in Cornelius

Oregon, United States · Real-time conditions & 3-day outlook

Flag of United States
Overcast
11°C
Feels like 11°C
51°F / Feels 51°F
Overcast
Cornelius, Oregon
🌙 Nighttime
Updated: 2026-04-12 23:00
💧
Humidity
86%
💨
Wind
4 km/h W
🌬️
Wind Gust
7.4 km/h
🌡️
Pressure
1012 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
100%
💦
Dew Point
8.9°C
🌐
Wind Degree
263°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
155.9 μg/m³
NO₂
7.6 μg/m³
O₃
54 μg/m³
SO₂
2.1 μg/m³
PM 2.5
8.5 μg/m³
PM 10
11.2 μg/m³

Weather Alerts 1

Met · Severe · Future
Winter Storm Watch issued April 12 at 12:32PM PDT until April 16 at 5:00AM PDT by NWS Portland OR

* WHAT...Heavy snow possible above 3500 ft. Total snow accumulations between 9 to 18 inches possible. Winds could gust as high as 45 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From Tuesday afternoon through late Wednesday night. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL...

Monitor the latest forecasts and warnings for updates on this situation. Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, sh...

Effective: 2026-04-12T12:32:00-07:00  ·  Expires: 2026-04-13T05:00:00-07:00

Today's Hourly Forecast

24-hour breakdown for Cornelius, Oregon

12 AM
Light rain
12°
Light rain
💧 94% 💨 6.5 km/h 🌧️ 100%
1 AM
Mist
11°
Mist
💧 94% 💨 5.4 km/h
2 AM
Mist
10°
Mist
💧 94% 💨 5.8 km/h
3 AM
Mist
10°
Mist
💧 95% 💨 5 km/h
4 AM
Clear
9°
Clear
💧 93% 💨 6.5 km/h
5 AM
Partly Cloudy
9°
Partly Cloudy
💧 94% 💨 3.2 km/h
6 AM
Mist
9°
Mist
💧 94% 💨 4.3 km/h
7 AM
Partly Cloudy
9°
Partly Cloudy
💧 93% 💨 5.8 km/h
8 AM
Sunny
11°
Sunny
💧 90% 💨 1.1 km/h
9 AM
Sunny
13°
Sunny
💧 83% 💨 2.9 km/h
10 AM
Sunny
12°
Sunny
💧 75% 💨 3.2 km/h
11 AM
Patchy rain nearby
11°
Patchy rain nearby
💧 92% 💨 5.4 km/h 🌧️ 85%
12 PM
Patchy rain nearby
11°
Patchy rain nearby
💧 91% 💨 9.7 km/h 🌧️ 84%
1 PM
Overcast
11°
Overcast
💧 88% 💨 12.2 km/h
2 PM
Light drizzle
11°
Light drizzle
💧 91% 💨 10.8 km/h 🌧️ 100%
3 PM
Light drizzle
11°
Light drizzle
💧 92% 💨 10.8 km/h 🌧️ 100%
4 PM
Light drizzle
12°
Light drizzle
💧 90% 💨 8.3 km/h 🌧️ 100%
5 PM
Light drizzle
12°
Light drizzle
💧 88% 💨 6.5 km/h 🌧️ 100%
6 PM
Light rain
12°
Light rain
💧 95% 💨 4.3 km/h 🌧️ 100%
7 PM
Patchy rain nearby
11°
Patchy rain nearby
💧 89% 💨 2.2 km/h 🌧️ 100%
8 PM
Overcast
11°
Overcast
💧 83% 💨 2.5 km/h
9 PM
Partly Cloudy
10°
Partly Cloudy
💧 87% 💨 3.6 km/h
10 PM
Partly Cloudy
10°
Partly Cloudy
💧 91% 💨 3.6 km/h
11 PM
Overcast
11°
Overcast
💧 86% 💨 4 km/h

3-Day Forecast

Daily overview for Cornelius, Oregon

Today
Patchy rain nearby
Patchy rain nearby
14° / 8°
🌧️ 85% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 12.2 km/h
🌧️ Total precip: 3.75 mm
☀️ UV Index: 0.5
🌅 Sunrise: 06:31 AM
🌇 Sunset: 07:55 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
Overcast
11° / 5°
🌧️ 0% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 12.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:29 AM
🌇 Sunset: 07:56 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Heavy rain
Heavy rain
8° / 4°
🌧️ 84% chance of rain
💧 Avg. humidity: 94%
💨 Max wind: 20.2 km/h
🌧️ Total precip: 32.93 mm
☀️ UV Index: 0.6
🌅 Sunrise: 06:27 AM
🌇 Sunset: 07:57 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Cornelius

Plan your trip to Cornelius, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Cornelius 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Cornelius?
Current conditions in Cornelius: Overcast, temperature 11°C, humidity 86%.
What is the best time to visit Cornelius?
The best time to visit Cornelius is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Cornelius?
Cornelius is located at approximately 45.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Cornelius?
The wettest period in Cornelius is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Cornelius?
For visits to Cornelius during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Cornelius in?
Cornelius is located in United States, in the state of Oregon.
What are the public holidays in Cornelius in 2026?
View the 2026 public holidays for Cornelius on our Holidays page.
What are the GPS coordinates used for the weather forecast in Cornelius?
The weather forecast for Cornelius uses coordinates 45.5198, -123.0556.