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Lost Park, OR Weather Forecast
Lost Park, OR Weather Forecast Date: 1128 PM PDT Sat Sep 12 2026
The area/counties/county of: Portland West Hills And Chehalem Mountain, including the cities of: Sylvan Hill, Skyline Drive, and Chehalem Mountain.or toggle through each period.
Overnight... Mostly cloudy. A chance of showers late this evening, then a slight chance of showers. Lows in the lower 50s. South wind 5 to 10 mph. Chance of rain 50%. Rainfall amounts less than a tenth of an inch.
Sunday... Mostly cloudy with a 50% chance of rain. Highs in the mid 60s. Southwest wind 5 to 10 mph. Rainfall amounts less than a tenth of an inch.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. Winds light in the evening, becoming light and variable.
Monday... Mostly cloudy in the morning, then becoming mostly sunny. Patchy fog in the morning. Highs in the upper 60s. Light and variable winds.
Monday Night... Partly cloudy. Lows in the lower 50s. Winds light.
Tuesday... Mostly sunny. Highs in the upper 60s.
Tuesday Night... Mostly clear. Lows in the lower 50s.
Wednesday... Sunny. Highs in the upper 70s.
Wednesday Night... Clear. Lows in the mid 50s.
Thursday... Sunny. Highs in the mid 80s.
Thursday Night... Clear. Lows in the mid 50s.
Friday... Sunny. Highs in the mid 80s.
Friday Night... Mostly clear. Lows in the mid 50s.
POP = Probability of Precipitation
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