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Get the monthly weather forecast for Cottage Grove, OR, including daily high/low, historical averages, to help you plan ahead.
August Weather in Cottage Grove Oregon, United States. Daily high temperatures decrease by 3°F, from 85°F to 82°F, rarely falling below 72°F or exceeding 96°F. The highest da
Weather.com brings you the most accurate monthly weather forecast for Cottage Grove, OR with average/record and high/low temperatures, precipitation and more.
°Celsius °Fahrenheit. Expand. Contents. The white Contennial Coverd Bridge with the scenic Cottage Grove in Oregon. Weather in January. January, like December, is another chilly winter month in Cottage Grove, Oregon, with an average temperature ranging between min 34.7°F (1.5°C) and max 48.6°F (9.2°C).
3 days ago · 49°F. 9°C. More Information: Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast. Extended Forecast for. Cottage Grove OR. Today. High: 67 °F. Mostly Cloudy. then Chance. Rain. Tonight. Low: 45 °F. Chance Rain. then Mostly. Cloudy. Wednesday. High: 68 °F. Mostly Sunny. Wednesday Night. Low: 42 °F. Mostly Clear. Thursday.
- Portland, OR
The hottest month of the year in Cottage Grove is August, with an average high of 84°F and low of 54°F. The cool season lasts for 3.5 months, from November 11 to February 25, with an average daily high temperature below 53°F. The coldest month of the year in Cottage Grove is December, with an average low of 36°F and high of 46°F.
4 days ago · 63°F. 17°C. More Information: Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast. Extended Forecast for. 6 Miles S Cottage Grove OR. This Afternoon. High: 65 °F. Slight Chance. Showers. Tonight. Low: 44 °F. Slight Chance. Showers then. Patchy Fog. Wednesday. High: 65 °F. Patchy Fog. then Mostly. Sunny. Wednesday Night.
