| NWS Forecast for: Lower Columbia River Issued by: National Weather Service Portland, OR Last Update: 1128 AM PDT Sun Oct 18 2026 |  |
| This Afternoon: Mostly sunny. Highs in the mid 60s. Winds light. Tonight: Mostly cloudy. Lows in the mid 40s. Winds light in the evening, becoming light and variable. Monday: Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s. Winds light. Monday Night: Mostly cloudy. Lows in the lower 40s. Northwest wind 5 to 10 mph. Tuesday: Mostly sunny. Highs around 70. North wind 5 to 10 mph. Tuesday Night: Mostly clear. Lows in the lower 40s. Wednesday: Sunny. Highs in the lower 70s. Wednesday Night: Mostly clear. Lows in the mid 40s. Thursday: Partly sunny. Highs in the lower 60s. Thursday Night: Partly cloudy with a 20 percent chance of rain. Lows in the lower 40s. Friday: Mostly sunny with a 20 percent chance of rain. Highs in the upper 50s. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 40. Saturday: Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of rain. Highs in the upper 50s. | |
| Zone Forecast: Lower Columbia River | |
Visit your local NWS office at: https://www.weather.gov/pqr |