| NWS Forecast for: Lower Columbia River Issued by: National Weather Service Portland, OR Last Update: 502 PM PDT Fri Apr 17 2026 |  |
| Tonight: Mostly cloudy. Lows in the lower 40s. Light and variable winds. Saturday: Mostly sunny. Highs in the lower 70s. Winds light. Saturday Night: Mostly cloudy. Lows in the upper 40s. Winds light in the evening, becoming light and variable. Sunday: Mostly cloudy. Highs in the mid 70s. Winds light. Sunday Night: Mostly cloudy. Lows around 50. Winds light. Monday: Mostly cloudy with a 20 percent chance of rain. Highs in the mid 70s. Monday Night: Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s. Tuesday: Mostly cloudy with a 50 percent chance of rain. Highs in the mid 60s. Tuesday Night: Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s. Wednesday: Rain likely. Highs around 60. Chance of rain 70 percent. Wednesday Night: Mostly cloudy with a 20 percent chance of rain. Lows in the mid 40s. Thursday: Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of rain. Highs in the lower 60s. Thursday Night: Partly cloudy. Lows in the lower 40s. Friday: Mostly sunny. Highs around 70. | |
| Zone Forecast: Lower Columbia River | |
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