| NWS Forecast for: Tualatin Valley Issued by: National Weather Service Portland, OR Last Update: 501 AM PDT Wed Sep 23 2026 |  |
| Today: Mostly cloudy this morning, then becoming partly sunny. Highs in the lower 70s. Light and variable winds, becoming light this afternoon. Tonight: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Winds light. Thursday: Partly sunny in the morning, then rain in the afternoon. Highs in the upper 60s. Light and variable winds. Chance of rain near 100 percent. Rainfall amounts less than a tenth of an inch. Thursday Night: Rain. Lows in the lower 50s. Light and variable winds, becoming light after midnight. Chance of rain near 100 percent. Friday: Rain in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the lower 60s. South wind 5 to 10 mph, becoming southwest in the afternoon. Chance of rain 90 percent. Friday Night: Partly cloudy. Lows in the mid 40s. Saturday: Mostly sunny. Patchy fog. Highs in the lower 60s. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. Sunday: Partly sunny. Highs in the mid 60s. Sunday Night: Partly cloudy. Lows in the mid 40s. Monday: Mostly sunny. Highs in the mid 60s. Monday Night: Partly cloudy. Lows in the upper 40s. Tuesday: Partly sunny with a 20 percent chance of rain. Highs in the upper 60s. | |
| Zone Forecast: Tualatin Valley | |
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