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Rainier, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Rainier, a city in Columbia County, Oregon.

Overnight
52°F
Mostly Cloudy
Mostly cloudy, with a low around 52. Northwest wind around 2 mph.

7-day forecast for Rainier

WhenTempForecastWindPrecip
Overnight 52°F Mostly Cloudy 2 mph NW 0%
Saturday 75°F Partly Sunny 2 to 6 mph NW 0%
Saturday Night 51°F Partly Cloudy 6 mph NW 1%
Sunday 76°F Mostly Sunny 5 to 8 mph NNW 0%
Sunday Night 52°F Mostly Clear 8 mph NNW 0%
Monday 72°F Mostly Sunny 5 to 9 mph NW 0%
Monday Night 52°F Partly Cloudy 5 to 9 mph NW 0%
Tuesday 69°F Partly Sunny 3 to 8 mph NW 0%
Tuesday Night 50°F Partly Cloudy 1 to 8 mph NW 1%
Wednesday 68°F Partly Sunny 1 to 6 mph NW 1%
Wednesday Night 50°F Mostly Cloudy 2 to 6 mph NNW 1%
Thursday 66°F Mostly Cloudy 3 to 9 mph NNW 13%
Thursday Night 50°F Mostly Cloudy 6 to 9 mph NNW 13%
Friday 65°F Partly Sunny 8 mph NW 11%

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

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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 Sep 19, 2026.