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
57°F
Mostly Cloudy then Light Rain Likely
Rain likely after 4pm. Mostly cloudy. High near 57, with temperatures falling to around 54 in the afternoon. Southeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Deer Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 57°F | Mostly Cloudy then Light Rain Likely | 7 mph SE | 64% |
| Tonight | 46°F | Light Rain | 1 to 5 mph SSE | 94% |
| Thursday | 58°F | Patchy Fog then Mostly Sunny | 1 to 5 mph SSE | 7% |
| Thursday Night | 44°F | Patchy Fog then Chance Light Rain | 0 to 3 mph ESE | 46% |
| Friday | 57°F | Light Rain Likely | 3 to 9 mph SE | 55% |
| Friday Night | 48°F | Chance Light Rain | 5 mph SE | 44% |
| Saturday | 63°F | Partly Sunny then Chance Light Rain | 3 to 8 mph SSE | 26% |
| Saturday Night | 49°F | Light Rain | 6 to 10 mph SSE | 78% |
| Sunday | 57°F | Chance Light Rain | 1 to 7 mph S | 41% |
| Sunday Night | 44°F | Slight Chance Light Rain | 2 mph NNE | 15% |
| Monday | 57°F | Chance Light Rain | 2 to 7 mph ESE | 38% |
| Monday Night | 47°F | Chance Light Rain | 3 to 9 mph SSE | 44% |
| Tuesday | 58°F | Chance Light Rain | 5 to 13 mph SSE | 45% |
| Tuesday Night | 48°F | Chance Light Rain | 5 to 9 mph SSE | 46% |
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 Nov 4, 2026.