Weather WorldCascade Summit, OR 7-Day Weather Forecast
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Cascade Summit Weather Forecast
Cascade Summit, OR Weather Forecast Date: 239 PM PDT Tue Sep 15 2026
Weather forecast for Cascade Summit, OR
Tonight Lo: 40°F Lo: 4°C |
Tonight... Mostly cloudy with a slight chance of rain early this evening, then partly cloudy in the late evening and early morning. Mostly cloudy with a slight chance of rain well after midnight. Lows in the mid 30s to mid 40s. North winds 5 to 10 mph shifting to the northeast 10 to 20 mph after midnight. Chance of rain 10%. |
Wed Hi: 60°FHi: 16°C Lo: 43°F Lo: 6°C |
Wednesday... Partly cloudy. A 20% chance of thunderstorms in the afternoon. Highs in the mid 50s to mid 60s. East winds 10 to 20 mph. |
| Thu Hi: 63°FHi: 17°C Lo: 43°F Lo: 6°C |
Thursday... Partly cloudy with a slight chance of rain in the morning, then mostly cloudy with a chance of showers and slight chance of thunderstorms in the afternoon. Highs in the lower to mid 60s. East winds around 5 mph shifting to the west in the afternoon. Chance of precipitation 40%. |
Fri Hi: 66°FHi: 19°C Lo: 46°F Lo: 8°C |
Friday... Sunny. Highs in the mid 60s to lower 70s. |
| Sat Hi: 76°FHi: 24°C Lo: 46°F Lo: 8°C |
Saturday... Mostly clear. Highs in the lower 70s to lower 80s. Lows in the lower 40s to lower 50s. |
| Sun Hi: 76°FHi: 24°C Lo: 46°F Lo: 8°C |
Sunday... Mostly clear. Highs in the lower 70s to lower 80s. Lows in the lower 40s to lower 50s. |
| Sun Hi: 76°FHi: 24°C Lo: 46°F Lo: 8°C |
Sunday... Mostly clear. Highs in the lower 70s to lower 80s. Lows in the lower 40s to lower 50s. |
| Mon Hi: 70°FHi: 21°C Lo: 43°F Lo: 6°C |
Monday... Sunny. Highs in the mid 60s to mid 70s. |
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