Cottage Grove, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cottage Grove, a city in Lane County, Oregon.
Today
62°F
Areas Of Frost then Light Rain
Areas of frost before 9am, then rain. Mostly cloudy. High near 62, with temperatures falling to around 55 in the afternoon. South southwest wind 0 to 3 mph. Chance of precipitation is 80%.
7-day forecast for Cottage Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Areas Of Frost then Light Rain | 0 to 3 mph SSW | 75% |
| Tonight | 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% |
| Tuesday Night | 41°F | Chance Light Rain | 0 to 9 mph SSE | 35% |
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
8b
More local growing data for Cottage Grove: nearby ZIP 97424 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Cheshire
Coburg
Creswell
Dexter
Dunes City
Elmira
Eugene
Florence
Heceta Beach
Jasper
Junction City
Lowell
Mapleton
Marcola
Oakridge
River Road
Santa Clara
Springfield
Trent
Veneta
Westfir
Yachats
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.