| NWS Forecast for: Benton County Lowlands Issued by: National Weather Service Portland, OR Last Update: 501 PM PDT Sat Aug 22 2026 | |
| Tonight: Partly cloudy this evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the mid 50s. Southwest wind 5 to 10 mph. Chance of rain 20 percent. Sunday: Mostly cloudy in the morning, then clearing. Highs in the lower 80s. Winds light, becoming north 5 to 10 mph in the afternoon. Sunday Night: Clear. Lows in the mid 50s. North wind 10 to 15 mph. Monday: Sunny. Highs around 90. North wind 5 to 10 mph. Monday Night: Mostly clear. Lows in the upper 50s. Winds light. Tuesday: Mostly sunny. Highs in the mid 80s. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Wednesday: Partly sunny. Highs in the lower 80s. Wednesday Night: Mostly clear. Lows in the lower 50s. Thursday: Mostly sunny. Highs in the upper 70s. Thursday Night: Mostly clear. Lows around 50. Friday: Mostly sunny. Highs around 80. Friday Night: Mostly clear. Lows around 50. Saturday: Sunny. Highs around 80. | |
| Zone Forecast: Benton County Lowlands | |
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