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City of St. Helens, ORSt. Helens, OR 7-Day Night Weather Forecast
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St. Helens, OR Weather Forecast
St. Helens, OR Weather Forecast Date: 202 AM PDT Sat Oct 31 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 clear. Patchy fog. Lows in the upper 30s. Winds light.
Saturday... Patchy fog and frost in the morning. Partly sunny. Highs in the upper 50s. Winds light.
Saturday Night... Mostly cloudy. Patchy fog after midnight. Lows in the upper 30s. Light and variable winds.
Sunday... Patchy fog in the morning. Mostly sunny. Highs in the upper 50s. Light and variable winds.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Patchy fog. Lows in the upper 30s. Light and variable winds.
Monday... Mostly cloudy. Highs in the upper 50s.
Monday Night... Cloudy. Lows in the mid 40s.
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Highs around 60.
Tuesday Night... Mostly cloudy. Lows in the lower 40s.
Wednesday... Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 50s.
Wednesday Night... Mostly cloudy with a 50% chance of rain. Lows in the mid 40s.
Thursday... Mostly cloudy with a 30% chance of rain. Highs in the upper 50s.
Thursday Night... Rain likely. Lows in the mid 40s. Chance of rain 60%.
POP = Probability of Precipitation
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