| NWS Forecast for: Tualatin Valley Issued by: National Weather Service Portland, OR Last Update: 827 AM PST Thu Jan 1 2026 |  |
| Today: Rain. Highs in the lower 40s. Winds light. Chance of rain 90 percent. Rainfall amounts a tenth to a quarter of an inch. Tonight: Rain. Lows in the upper 30s. Winds light. Chance of rain near 100 percent. Rainfall amounts a tenth to a quarter of an inch. Friday: Mostly cloudy. Patchy fog in the morning. Rain likely, mainly in the morning. Highs in the lower 50s. Winds light. Chance of rain 70 percent. Rainfall amounts less than a tenth of an inch. Friday Night: Showers. Lows in the lower 40s. Winds light. Chance of rain 90 percent. Saturday: Showers. Highs in the mid 50s. Winds light. Chance of rain 90 percent. Saturday Night: Showers. Lows in the mid 40s. Chance of rain 90 percent. Sunday: Rain. Highs in the lower 50s. Chance of rain 80 percent. Sunday Night: Rain likely. Lows in the lower 40s. Chance of rain 70 percent. Monday: Mostly cloudy with rain likely. Highs around 50. Chance of rain 60 percent. Monday Night: Mostly cloudy with a 30 percent chance of rain showers. Lows in the upper 30s. Tuesday: Mostly cloudy with a 50 percent chance of rain showers. Highs in the upper 40s. Tuesday Night: Rain showers likely. Lows in the upper 30s. Chance of rain 60 percent. Wednesday: Rain showers likely. Highs in the upper 40s. Chance of rain 70 percent. | |
| Zone Forecast: Tualatin Valley | |
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