Cottage Grove, OR Weather & Growing Conditions
Today
94°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 94. North wind 1 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Areas Of Smoke | 1 to 6 mph N | 0% |
| Tonight | 60°F | Areas Of Smoke | 1 to 6 mph NW | 0% |
| Wednesday | 98°F | Areas Of Smoke | 1 to 5 mph WNW | 0% |
| Wednesday Night | 60°F | Clear | 3 mph WSW | 0% |
| Thursday | 97°F | Sunny | 0 to 5 mph NNW | 0% |
| Thursday Night | 57°F | Clear | 1 to 5 mph WSW | 0% |
| Friday | 92°F | Sunny | 0 to 6 mph N | 0% |
| Friday Night | 58°F | Clear | 0 to 6 mph N | 0% |
| Saturday | 88°F | Sunny | 0 to 7 mph N | 0% |
| Saturday Night | 54°F | Mostly Clear | 1 to 6 mph NNW | 0% |
| Sunday | 83°F | Sunny | 1 to 7 mph N | 0% |
| Sunday Night | 51°F | Mostly Clear | 2 to 8 mph N | 0% |
| Monday | 81°F | Sunny | 2 to 7 mph N | 0% |
| Monday Night | 50°F | Mostly Clear | 0 to 7 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cottage Grove, OR
Last spring frost
Apr 12
First fall frost
Nov 1
Growing season
205 days
Hardiness zone
8b
Explore more for Cottage Grove, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Cottage Grove Dam, Or (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.