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City of Rainier, ORRainier, OR 7-Day Night Weather Forecast
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Rainier, OR Weather Forecast
Rainier, OR Weather Forecast Date: 202 AM PDT Sat Oct 17 2026
The area/counties/county of: Lower Columbia River, including the cities of: Scappoose, St. Helens, Rainier, and Clatskanie.or toggle through each period.
Rest of Tonight... Mostly cloudy with a 50% chance of rain. Lows in the lower 50s. Winds light. Rainfall amounts less than a tenth of an inch.
Saturday... Mostly cloudy with a slight chance of rain in the morning, then mostly sunny in the afternoon. Highs in the upper 60s. Northwest wind 5 to 10 mph. Chance of rain 20%.
Saturday Night... Mostly clear. Lows in the lower 40s. Winds light.
Sunday... Partly sunny. Highs in the mid 60s. Winds light.
Sunday Night... Mostly cloudy. Lows in the lower 40s. Winds light in the evening, becoming light and variable.
Monday... Mostly cloudy. Highs in the lower 60s.
Monday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 40s.
Tuesday... Sunny. Highs in the mid 60s.
Tuesday Night... Mostly clear. Lows in the lower 40s.
Wednesday... Sunny. Highs in the upper 60s.
Wednesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s.
Thursday... Partly sunny with a 20% chance of rain. Highs in the lower 60s.
Thursday Night... Mostly cloudy in the evening, then becoming partly cloudy. A 30% chance of rain. Lows in the lower 40s.
POP = Probability of Precipitation
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