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City of Oregon, IllinoisOregon, IL 7-Day Weather Forecast
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Oregon Weather Forecast
Oregon, IL Weather Forecast Date: 325 PM CDT Tue Oct 20 2026
Weather forecast for Oregon, IL
Late Today Hi: 69°FHi: 21°C Lo: 41°F Lo: 5°C |
Late This Afternoon... Sunny. Temperatures in the upper 60s. Southeast winds around 5 mph. |
| Wed Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Wednesday... Sunny. Highs in the lower 70s. Southwest winds around 5 mph. |
| Thu Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Thursday... Mostly sunny. Highs in the lower 70s. Light and variable winds, becoming southeast around 5 mph in the afternoon. |
| Fri Hi: 71°FHi: 22°C Lo: 50°F Lo: 10°C |
Friday... Mostly sunny. Highs in the lower 70s. |
Sat Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Saturday... Mostly cloudy. Highs in the lower 70s. |
| Sun Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Sunday... Mostly cloudy. Highs in the lower 70s. |
| Mon Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
Monday... Mostly cloudy. Highs in the lower 60s. |
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