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Cornelius, OR Weather Tomorrow

Tomorrow's Cornelius weather report includes an accurate 5 day forecast with precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Cornelius area and around Washington county, Oregon.
Updated: Thu Oct 15th 2026 1:00 PM PDT
Cornelius, OR Weather – 10-15 – Sunny
79° / 51°
Sunny
It will be sunny in Cornelius, with a high of 79°F and a low of 51°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 9mph and gusts of 17.5mph at 5 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 46% at 11 PM and 22% being its lowest at 3 PM. Barometric pressure is its highest of 30.24inHg at 2 PM, a lowest point of 30.2inHg at 4 PM with an avg 30.21inHg.
Cornelius, OR Weather – 10-16 – Overcast
75° / 52°

Weather Tomorrow

Overcast
Daytime highs will reach 75°F with lows dropping to 52°F in Cornelius, where it will be overcast. There's a very small chance of rainfall, only about 5%. Winds will be light at 4mph and gusts of 14.3mph at 8 PM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 62% at 11 PM and 24% being its lowest at 3 PM. Barometric pressure is its highest of 30.22inHg at 12 AM, a lowest point of 30.05inHg at 5 PM with an avg 30.15inHg.
Cornelius, OR Weather – 10-17 – Overcast
65° / 48°
Overcast
Cornelius is set for cloud-filled skies with temperatures peaking at 65°F and dipping to 48°F. There's a moderate 47% chance of rainfall with an estimated 0.04in. Winds will be light at 8mph and gusts of 17.9mph at 8 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 78% at 8 AM and 42% being its lowest at 5 PM. Barometric pressure is its highest of 30.22inHg at 10 PM, a lowest point of 30.1inHg at 1 AM with an avg 30.17inHg.
Cornelius, OR Weather – 10-18 – Overcast
64° / 43°
Overcast
Cloud-filled skies are in the forecast for Cornelius, with a high of 64°F and a low of 43°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 5mph and gusts of 11.2mph at 10 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 86% at 8 AM and 32% being its lowest at 4 PM. Barometric pressure is its highest of 30.21inHg at 1 AM, a lowest point of 29.92inHg at 5 PM with an avg 30.06inHg.
Cornelius, OR Weather – 10-19 – Overcast
61° / 48°
Overcast
In Cornelius, cloud-filled skies are likely with a high near 61°F and a low around 48°F. Rainfall predicted to have a 52% chance with an estimated 0.04in. Winds will be light at 5mph and gusts of 12.1mph at 1 AM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 84% at 11 PM and 33% being its lowest at 3 PM. Barometric pressure is its highest of 29.92inHg at 12 AM, a lowest point of 29.82inHg at 5 PM with an avg 29.87inHg.
Cornelius, OR Weather – 10-20 – Overcast
64° / 46°
Overcast
Skies will be overcast in Cornelius, with a high of 64°F and a low of 46°F. There might be light rainfall having a 12% chance. Winds will be light at 7mph and gusts of 14.8mph at 8 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 91% at 6 AM and 42% being its lowest at 5 PM. Barometric pressure is its highest of 29.89inHg at 11 PM, a lowest point of 29.83inHg at 5 PM with an avg 29.87inHg.

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