| NWS Forecast for: Lower Columbia River Issued by: National Weather Service Portland, OR Last Update: 501 AM PDT Sun Sep 20 2026 |  |
| Today: Sunny. Highs in the lower 80s. Northwest wind 5 to 10 mph. Tonight: Mostly clear. Lows in the mid 50s. Northwest wind 5 to 10 mph. Monday: Mostly cloudy. Highs in the mid 70s. Northwest wind 5 to 10 mph. Monday Night: Partly cloudy. Lows in the mid 50s. Northwest wind 5 to 10 mph. Tuesday: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s. Northwest wind 5 to 10 mph. Tuesday Night: Partly cloudy. Lows in the lower 50s. Wednesday: Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s. Wednesday Night: Partly cloudy. Lows around 50. Thursday: Mostly cloudy in the morning, then becoming partly sunny. Highs around 70. Thursday Night: Mostly cloudy with a 40 percent chance of rain. Lows in the lower 50s. Friday: Mostly cloudy with a 40 percent chance of rain. Highs in the mid 60s. Friday Night: Mostly cloudy in the evening, then becoming partly cloudy. A 20 percent chance of rain. Lows in the upper 40s. Saturday: Partly sunny. Highs in the upper 60s. | |
| Zone Forecast: Lower Columbia River | |
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