| NWS Forecast for: Lower Columbia River Issued by: National Weather Service Portland, OR Last Update: 503 AM PDT Sun May 17 2026 |  |
| Today: Mostly sunny. Highs in the upper 60s. Northwest wind 5 to 10 mph. Tonight: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. Northwest wind 5 to 10 mph. Monday: Mostly cloudy in the morning, then clearing. Highs around 70. Northwest wind 5 to 10 mph. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. Northwest wind 5 to 10 mph. Tuesday: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 60s. Northwest wind 5 to 10 mph. Tuesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. Wednesday: Mostly sunny. Highs in the mid 70s. Wednesday Night: Partly cloudy. Lows in the upper 40s. Thursday: Mostly sunny. Highs in the mid 70s. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 50. Friday: Mostly sunny. Highs in the mid 70s. Friday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Saturday: Mostly sunny. Highs in the upper 70s. | |
| Zone Forecast: Lower Columbia River | |
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