| NWS Forecast for: Lower Columbia River Issued by: National Weather Service Portland, OR Last Update: 502 PM PDT Sun May 31 2026 |  |
| Tonight: Clear. Lows in the upper 40s. Northwest wind 5 to 10 mph. Monday: Sunny. Highs in the lower 80s. North wind 5 to 10 mph. Monday Night: Mostly clear. Lows in the mid 50s. North wind 5 to 10 mph. Tuesday: Sunny. Highs in the upper 80s. Winds light. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Winds light. Wednesday: Mostly cloudy. Highs in the mid 70s. Wednesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. Thursday: Partly sunny. Highs in the lower 70s. Thursday Night: Partly cloudy. Lows in the upper 40s. Friday: Mostly sunny with a 20 percent chance of rain. Highs in the upper 60s. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. A 50 percent chance of rain. Lows in the upper 40s. Saturday: Rain likely. Highs in the mid 60s. Chance of rain 70 percent. Saturday Night: Mostly cloudy in the evening, then becoming partly cloudy. A 50 percent chance of rain. Lows in the upper 40s. Sunday: Partly sunny with a 40 percent chance of rain. Highs in the upper 60s. | |
| Zone Forecast: Lower Columbia River | |
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