| NWS Forecast for: Lower Columbia River Issued by: National Weather Service Portland, OR Last Update: 402 PM PST Sat Feb 28 2026 | |
| Tonight: Mostly cloudy. Lows in the upper 30s. Winds light. Sunday: Partly sunny. A slight chance of rain in the afternoon. Highs in the lower 60s. Winds light. Chance of rain 20 percent. Sunday Night: Mostly cloudy in the evening, then becoming partly cloudy. A 20 percent chance of rain. Patchy fog after midnight. Lows around 40. Light and variable winds. Monday: Patchy fog in the morning. Partly sunny with a 20 percent chance of rain. Highs around 60. Light and variable winds, becoming light in the afternoon. Monday Night: Mostly cloudy. Patchy fog in the evening. A slight chance of rain in the evening, then a chance of rain after midnight. Lows in the mid 40s. Light and variable winds, becoming light after midnight. Chance of rain 50 percent. Tuesday: Rain. Highs in the mid 50s. Chance of rain near 100 percent. Tuesday Night: Rain. Lows in the mid 40s. Chance of rain near 100 percent. Wednesday: Rain. Highs in the lower 50s. Chance of rain near 100 percent. Wednesday Night: Rain. Lows in the lower 40s. Chance of rain 90 percent. Thursday: Rain. Highs in the lower 50s. Chance of rain 90 percent. Thursday Night: Rain likely. Lows in the lower 40s. Chance of rain 70 percent. Friday: Rain likely. Highs in the lower 50s. Chance of rain 70 percent. Friday Night: Rain likely. Lows in the mid 40s. Chance of rain 70 percent. Saturday: Rain likely. Highs in the mid 50s. Chance of rain 70 percent. | |
| Zone Forecast: Lower Columbia River | |
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