Deer Island, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Deer Island, a community in Columbia County, Oregon.
Today
79°F
Partly Sunny
Partly sunny. High near 79, with temperatures falling to around 77 in the afternoon. North northwest wind around 5 mph.
7-day forecast for Deer Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Partly Sunny | 5 mph NNW | 0% |
| Tonight | 54°F | Mostly Clear | 6 mph NW | 0% |
| Sunday | 80°F | Mostly Sunny | 7 mph NNW | 0% |
| Sunday Night | 54°F | Mostly Clear | 7 mph NNW | 0% |
| Monday | 76°F | Mostly Sunny | 8 mph NW | 0% |
| Monday Night | 54°F | Partly Cloudy | 5 to 8 mph NW | 0% |
| Tuesday | 73°F | Mostly Sunny | 7 mph NW | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 2 to 7 mph NW | 1% |
| Wednesday | 72°F | Partly Sunny | 1 to 5 mph NW | 1% |
| Wednesday Night | 53°F | Mostly Cloudy | 5 mph NW | 1% |
| Thursday | 70°F | Partly Sunny | 3 to 8 mph NNW | 13% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 8 mph NNW | 13% |
| Friday | 69°F | Mostly Sunny | 8 mph NW | 9% |
| Friday Night | 50°F | Partly Cloudy | 3 to 7 mph NNW | 6% |
Forecast source: National Weather Service (api.weather.gov) for Deer Island (45.933, -122.850). Updated through the day.
Growing snapshot for Deer Island
Last spring frost
Apr 18
First fall frost
Nov 7
Growing season
201 days
Hardiness zone
8b
More local growing data for Deer Island: nearby ZIP 97018 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Saint Helens Rfd, Or (4.5 mi from Deer Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.