7-Day Zone Forecast for Lower Columbia River (Text-Only)
NWS Forecast for: Lower Columbia River
Issued by: National Weather Service Portland, OR
Last Update: 202 AM PDT Wed Apr 15 2026


Rest Of Tonight: Cloudy with a 50 percent chance of rain. Lows in the upper 30s. Winds light. Rainfall amounts a tenth to a quarter of an inch.

Wednesday: A chance of thunderstorms. Rain showers. Highs in the lower 50s. West wind 5 to 10 mph. Chance of rain near 100 percent. Rainfall amounts a tenth to a quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: Mostly cloudy with rain showers likely with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Areas of frost after midnight. Lows in the mid 30s. West wind 5 to 10 mph. Chance of rain 70 percent. Rainfall amounts less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday: Partly sunny. Patchy frost in the morning. A chance of rain showers in the afternoon. Highs in the mid 50s. Light and variable winds, becoming light in the afternoon. Chance of rain 30 percent.

Thursday Night: Partly cloudy. Lows in the upper 30s. West wind 5 to 10 mph.

Friday: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the lower 60s.

Friday Night: Mostly cloudy. Lows around 40.

Saturday: Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of rain. Highs in the upper 60s.

Saturday Night: Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s.

Sunday: Rain likely. Highs in the upper 60s. Chance of rain 60 percent.

Sunday Night: Mostly cloudy with a 40 percent chance of rain. Lows in the upper 40s.

Monday: Partly sunny with a 30 percent chance of rain. Highs in the lower 70s.

Monday Night: Partly cloudy with a 20 percent chance of rain. Lows in the upper 40s.

Tuesday: Partly sunny with a 40 percent chance of rain. Highs in the upper 60s.







Zone Forecast: Lower Columbia River

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