Rainier, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rainier, a city in Columbia County, Oregon.
This Afternoon
59°F
Partly Sunny
Partly sunny. High near 59, with temperatures falling to around 54 in the afternoon. Northwest wind around 2 mph.
7-day forecast for Rainier
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Partly Sunny | 2 mph NW | 5% |
| Tonight | 41°F | Partly Cloudy then Patchy Fog | 0 to 3 mph SSE | 5% |
| Wednesday | 55°F | Partly Sunny then Light Rain Likely | 5 to 8 mph SSE | 56% |
| Wednesday Night | 47°F | Light Rain | 3 to 8 mph SSE | 97% |
| Thursday | 55°F | Slight Chance Light Rain then Partly Sunny | 3 to 7 mph SSE | 18% |
| Thursday Night | 46°F | Light Rain Likely | 2 to 10 mph SSE | 73% |
| Friday | 54°F | Light Rain Likely | 6 to 13 mph SE | 73% |
| Friday Night | 47°F | Chance Light Rain | 2 to 6 mph SE | 33% |
| Saturday | 60°F | Mostly Cloudy then Chance Light Rain | 3 to 9 mph SSE | 30% |
| Saturday Night | 50°F | Light Rain Likely | 8 to 17 mph S | 69% |
| Sunday | 56°F | Light Rain Likely | 2 to 10 mph SSW | 65% |
| Sunday Night | 45°F | Slight Chance Light Rain then Patchy Fog | 2 mph ENE | 22% |
| Monday | 55°F | Chance Light Rain | 2 to 8 mph SE | 46% |
| Monday Night | 47°F | Light Rain Likely | 6 to 14 mph SSE | 65% |
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 Nov 4, 2026.