| NWS Forecast for: Tualatin Valley Issued by: National Weather Service Portland, OR Last Update: 1245 PM PDT Sun Oct 19 2025 |  |
| Today: A slight chance of thunderstorms. Showers. Some thunderstorms may produce gusty winds. Highs in the lower 60s. Southwest wind 10 to 15 mph, becoming west this afternoon. Chance of rain 90 percent. Rainfall amounts a tenth to a quarter of an inch, except higher amounts possible in thunderstorms. Tonight: Partly cloudy. A chance of showers, mainly in the evening. Patchy fog after midnight. Lows in the lower 40s. Southwest wind 5 to 10 mph. Chance of rain 50 percent. Rainfall amounts less than a tenth of an inch. Monday: Patchy fog in the morning. Mostly sunny. Highs in the lower 60s. Light and variable winds, becoming light in the afternoon. Monday Night: Mostly clear. Lows in the lower 40s. Winds light. Tuesday: Mostly sunny. Highs in the upper 60s. Winds light. Tuesday Night: Mostly clear. Lows in the lower 40s. Wednesday: Partly sunny with a 40 percent chance of rain. Highs in the mid 60s. Wednesday Night: Mostly cloudy with rain likely. Lows in the upper 40s. Chance of rain 70 percent. Thursday: Mostly cloudy with a 50 percent chance of rain. Highs in the mid 60s. Thursday Night: Rain likely. Lows in the lower 50s. Chance of rain 70 percent. Friday: Rain. Highs in the upper 50s. Chance of rain near 100 percent. Friday Night: Rain. Lows in the mid 40s. Chance of rain near 100 percent. Saturday: Rain. Highs in the mid 50s. Chance of rain near 100 percent. | |
| Zone Forecast: Tualatin Valley | |
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