Deer Island, OR Weather & Growing Conditions
This Afternoon
55°F
Light Rain
Rain after 3pm. Cloudy. High near 55, with temperatures falling to around 51 in the afternoon. South southeast wind around 6 mph. Chance of precipitation is 80%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Light Rain | 6 mph SSE | 82% |
| Tonight | 46°F | Light Rain then Patchy Fog | 1 to 5 mph SSE | 92% |
| Thursday | 54°F | Patchy Fog then Partly Sunny | 1 to 5 mph SSE | 7% |
| Thursday Night | 43°F | Areas Of Fog then Chance Light Rain | 0 to 5 mph SSE | 34% |
| Friday | 51°F | Light Rain Likely | 5 to 9 mph SE | 70% |
| Friday Night | 47°F | Light Rain Likely | 2 to 6 mph SE | 70% |
| Saturday | 61°F | Partly Sunny then Slight Chance Light Rain | 2 to 8 mph SSE | 24% |
| Saturday Night | 50°F | Light Rain | 3 to 12 mph SSE | 84% |
| Sunday | 55°F | Light Rain Likely | 0 to 3 mph SW | 55% |
| Sunday Night | 43°F | Mostly Cloudy | 0 mph | 6% |
| Monday | 54°F | Partly Sunny then Slight Chance Light Rain | 0 to 7 mph ESE | 17% |
| Monday Night | 46°F | Chance Light Rain | 3 to 8 mph SSE | 49% |
| Tuesday | 55°F | Light Rain Likely | 6 to 10 mph SSE | 56% |
| Tuesday Night | 48°F | Chance Light Rain | 6 mph SSE | 53% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Deer Island, OR
Last spring frost
Apr 18
First fall frost
Nov 7
Growing season
201 days
Hardiness zone
8b
Explore more for Deer Island, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Saint Helens Rfd, Or (8.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.