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City of Cornelius, OregonCornelius, OR 7-Day Night Weather Forecast
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Cornelius, OR Weather Forecast
Cornelius, OR Weather Forecast Date: 202 PM PDT Fri Sep 11 2026
The area/counties/county of: Tualatin Valley, including the cities of: Sherwood, Hillsboro, Forest Grove, Rockcreek, and Tigard.or toggle through each period.
This Afternoon... Partly sunny. Highs in the lower 70s. Light and variable winds.
Tonight... Mostly cloudy. Lows in the lower 50s. Light and variable winds.
Saturday... Mostly cloudy. Showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Winds light. Chance of rain 90%. Rainfall amounts less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night... Showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 50s. Winds light. Chance of rain 90%.
Sunday... Mostly cloudy with a 50% chance of showers. Highs in the upper 60s. Southwest wind 5 to 10 mph.
Sunday Night... Partly cloudy. Lows in the lower 50s.
Monday... Mostly sunny. Patchy fog. Highs around 70.
Monday Night... Mostly clear. Lows in the upper 40s.
Tuesday... Mostly sunny. Highs in the upper 70s.
Tuesday Night... Mostly clear. Lows in the lower 50s.
Wednesday... Sunny. Highs in the mid 80s.
Wednesday Night... Clear. Lows in the mid 50s.
POP = Probability of Precipitation
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