Cottage Grove, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Cottage Grove, a city in Lane County, Oregon.

Overnight

33°F

Areas Of Frost

Areas of frost and patchy fog. Mostly clear, with a low around 33. South wind around 1 mph.

7-day forecast for Cottage Grove

When	Temp	Forecast	Wind	Precip
Overnight	33°F	Areas Of Frost	1 mph S	0%
Wednesday	62°F	Areas Of Frost then Light Rain	0 to 3 mph SSW	75%
Wednesday Night	41°F	Light Rain Likely then Areas Of Fog	0 to 3 mph S	64%
Thursday	63°F	Areas Of Fog then Mostly Sunny	1 mph SE	8%
Thursday Night	36°F	Patchy Fog	1 mph ESE	1%
Friday	66°F	Mostly Cloudy	2 mph SSE	3%
Friday Night	37°F	Partly Cloudy	1 mph SSE	2%
Saturday	69°F	Mostly Sunny then Slight Chance Light Rain	1 mph NNW	15%
Saturday Night	43°F	Light Rain Likely	0 to 8 mph S	57%
Sunday	59°F	Light Rain Likely	0 to 3 mph S	56%
Sunday Night	38°F	Slight Chance Light Rain then Mostly Cloudy	0 mph	15%
Monday	61°F	Slight Chance Light Rain	1 mph S	15%
Monday Night	40°F	Chance Light Rain	0 to 5 mph SSE	27%
Tuesday	63°F	Chance Light Rain	0 to 7 mph S	31%

Forecast source: National Weather Service (api.weather.gov) for Cottage Grove (43.796, -123.057). Updated through the day.

Growing snapshot for Cottage Grove

Last spring frost

Apr 12

First fall frost

Nov 1

Growing season

205 days

Hardiness zone

More local growing data for Cottage Grove: nearby ZIP 97424 weather · frost dates · planting calendar · Oregon frost dates

Nearby towns & communities

All Oregon locations ›

Climate data from the nearest NOAA station, Cottage Grove Dam, Or (2 mi from Cottage Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.