| NWS Forecast for: Lower Columbia River Issued by: National Weather Service Portland, OR Last Update: 202 PM PDT Mon Jun 29 2026 |  |
| This Afternoon: Partly sunny. Highs in the upper 60s. West wind 5 to 10 mph. Tonight: Mostly cloudy. Lows in the lower 50s. West wind 5 to 10 mph. Tuesday: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 60s. West wind 5 to 10 mph. Tuesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50. West wind 5 to 10 mph. Wednesday: Mostly cloudy with a slight chance of rain in the morning, then partly sunny in the afternoon. Highs in the upper 60s. West wind 5 to 10 mph. Chance of rain 20 percent. Wednesday Night: Partly cloudy. Lows around 50. Thursday: Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s. Thursday Night: Partly cloudy. Lows in the lower 50s. Friday: Partly sunny. Highs in the mid 70s. Friday Night: Mostly clear. Lows in the lower 50s. Independence Day: Sunny. Highs in the lower 80s. Saturday Night: Mostly clear. Lows in the lower 50s. Sunday: Mostly sunny. Highs in the lower 80s. | |
| Zone Forecast: Lower Columbia River | |
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