Rainier, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rainier, a city in Columbia County, Oregon.
Overnight
57°F
Patchy Smoke
Patchy smoke. Mostly clear, with a low around 57. North northwest wind around 7 mph.
7-day forecast for Rainier
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Patchy Smoke | 7 mph NNW | 0% |
| Tuesday | 89°F | Areas Of Smoke | 8 mph NNW | 0% |
| Tuesday Night | 60°F | Smoke | 5 to 8 mph NNW | 0% |
| Wednesday | 94°F | Areas Of Smoke | 6 mph NNW | 0% |
| Wednesday Night | 60°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Thursday | 92°F | Sunny | 2 to 8 mph NW | 0% |
| Thursday Night | 58°F | Mostly Clear | 3 to 8 mph NW | 0% |
| Friday | 85°F | Sunny | 3 to 10 mph WNW | 0% |
| Friday Night | 57°F | Mostly Clear | 5 to 10 mph WNW | 0% |
| Saturday | 80°F | Sunny | 5 to 13 mph WNW | 0% |
| Saturday Night | 55°F | Partly Cloudy | 5 to 13 mph NW | 0% |
| Sunday | 75°F | Mostly Sunny | 5 to 12 mph NW | 0% |
| Sunday Night | 54°F | Partly Cloudy | 3 to 12 mph NW | 0% |
| Monday | 75°F | Mostly Sunny | 3 to 10 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Rainier (46.071, -122.941). Updated through the day.
Growing snapshot for Rainier
Last spring frost
Apr 8
First fall frost
Nov 5
Growing season
210 days
Hardiness zone
8b
More local growing data for Rainier: nearby ZIP 97048 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Longview, Wa (9.8 mi from Rainier). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.