Rainier, OR Weather & Growing Conditions
Today
53°F
Mostly Cloudy then Light Rain Likely
Rain likely after 4pm. Mostly cloudy. High near 53, with temperatures falling to around 50 in the afternoon. South southeast wind around 8 mph. Chance of precipitation is 70%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 53°F | Mostly Cloudy then Light Rain Likely | 8 mph SSE | 68% |
| Tonight | 44°F | Light Rain | 3 to 7 mph S | 94% |
| Thursday | 53°F | Partly Sunny | 6 mph SSE | 12% |
| Thursday Night | 42°F | Patchy Fog then Chance Light Rain | 1 to 7 mph SE | 49% |
| Friday | 52°F | Light Rain Likely | 6 to 12 mph SE | 59% |
| Friday Night | 45°F | Chance Light Rain | 6 mph SE | 45% |
| Saturday | 59°F | Partly Sunny then Chance Light Rain | 8 mph SSE | 27% |
| Saturday Night | 47°F | Light Rain | 8 to 15 mph SSE | 79% |
| Sunday | 54°F | Chance Light Rain | 2 to 8 mph SSW | 44% |
| Sunday Night | 42°F | Mostly Cloudy then Slight Chance Light Rain | 2 mph NE | 15% |
| Monday | 52°F | Chance Light Rain | 2 to 7 mph SE | 38% |
| Monday Night | 44°F | Chance Light Rain | 6 to 13 mph SSE | 45% |
| Tuesday | 54°F | Chance Light Rain | 6 to 14 mph SSE | 45% |
| Tuesday Night | 46°F | Chance Light Rain | 6 to 10 mph SSE | 45% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rainier, OR
Last spring frost
Apr 8
First fall frost
Nov 5
Growing season
210 days
Hardiness zone
8b
Explore more for Rainier, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Longview, Wa (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.