| NWS Forecast for: Tualatin Valley Issued by: National Weather Service Portland, OR Last Update: 402 PM PST Wed Feb 25 2026 |  |
| Tonight: Partly cloudy. Patchy frost this evening, then widespread frost with patchy fog after midnight. Lows in the lower 30s. Winds light this evening, becoming light and variable. Thursday: Widespread frost with patchy fog in the morning. Mostly sunny. Highs in the lower 50s. Light and variable winds, becoming light in the afternoon. Thursday Night: Partly cloudy. Areas of frost with patchy fog after midnight. Lows in the lower 30s. Light and variable winds. Friday: Areas of frost with patchy fog in the morning. Mostly sunny. Highs in the mid 50s. Light and variable winds, becoming light in the afternoon. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. Patchy frost after midnight. Lows in the mid 30s. Winds light. Saturday: Mostly cloudy. Highs in the mid 50s. Saturday Night: Mostly cloudy. Lows in the mid 30s. Sunday: Sunny. Highs in the upper 50s. Sunday Night: Clear. Lows in the mid 30s. Monday: Sunny. Highs in the upper 50s. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. Tuesday: Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 60s. Tuesday Night: Mostly cloudy with a 20 percent chance of rain. Lows in the lower 40s. Wednesday: Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of rain. Highs in the upper 50s. | |
| Zone Forecast: Tualatin Valley | |
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