| NWS Forecast for: Benton County Lowlands Issued by: National Weather Service Portland, OR Last Update: 202 PM PDT Mon Sep 21 2026 | |
| This Afternoon: Partly sunny. Highs in the mid 70s. Winds light. Tonight: Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows around 50. Winds light. Tuesday: Patchy fog in the morning. Mostly sunny. Highs in the lower 70s. Winds light. Tuesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. Winds light in the evening, becoming light and variable. Wednesday: Patchy fog in the morning. Partly sunny. Highs in the lower 70s. Light and variable winds, becoming light in the afternoon. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50. Thursday: Mostly cloudy with a 30 percent chance of rain. Highs in the upper 60s. Thursday Night: Showers likely with a slight chance of thunderstorms. Lows in the upper 40s. Chance of rain 60 percent. Friday: Partly sunny with a 40 percent chance of rain. Highs in the lower 60s. Friday Night: Partly cloudy. Lows in the mid 40s. Saturday: Mostly sunny. Highs in the mid 60s. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. Sunday: Mostly sunny. Highs in the mid 60s. | |
| Zone Forecast: Benton County Lowlands | |
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