Weather WorldArnold Park, OR 7-Day Night Weather Forecast
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Arnold Park, OR Weather Forecast
Arnold Park, OR Weather Forecast Date: 502 PM PDT Sun Oct 25 2026
The area/counties/county of: Tualatin Valley, including the cities of: Sherwood, Hillsboro, Forest Grove, Rockcreek, and Tigard.or toggle through each period.
Tonight... Rain. Lows in the mid 40s. South wind 5 to 10 mph. Chance of rain near 100%. Rainfall amounts a tenth to a quarter of an inch.
Monday... Rain. Highs in the upper 50s. Winds light. Chance of rain 90%. Rainfall amounts around a tenth of an inch.
Monday Night... Mostly cloudy with a 50% chance of rain. Areas of fog. Lows in the mid 40s. Light and variable winds. Rainfall amounts less than a tenth of an inch.
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Areas of fog in the morning. A 50% chance of rain. Highs around 60. Light and variable winds, becoming light in the afternoon.
Tuesday Night... Patchy fog in the evening. Rain. Lows in the lower 40s. Southwest wind 5 to 10 mph. Chance of rain 90%.
Wednesday... Rain with a slight chance of thunderstorms. Highs in the upper 50s. Chance of rain 90%.
Wednesday Night... Rain likely. Lows in the upper 30s. Chance of rain 70%.
Thursday... Rain. Highs in the upper 50s. Chance of rain 90%.
Thursday Night... Mostly cloudy with a 50% chance of rain. Lows in the upper 30s.
Friday... Mostly cloudy in the morning, then becoming partly sunny. A 20% chance of rain. Highs in the mid 50s.
Friday Night... Partly cloudy. Lows in the mid 30s.
Saturday... Partly sunny. Highs in the upper 50s.
Saturday Night... Partly cloudy. Lows in the mid 30s.
POP = Probability of Precipitation
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