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City of Marion, ILMarion, IL 7-Day Weather Forecast
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Marion Weather Forecast
Marion, IL Weather Forecast Date: 707 AM CDT Fri Sep 25 2026
Weather forecast for Marion, IL
Today Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Today... Mostly sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph. |
Sat Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Saturday... Partly sunny. Highs in the mid 70s. Northeast winds around 5 mph. |
| Sun Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Sunday... Partly sunny. Highs in the upper 70s. Northeast winds around 5 mph. |
| Mon Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Monday... Mostly clear. Lows in the mid 50s. Highs in the lower 80s. |
| Mon Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Monday... Mostly clear. Lows in the mid 50s. Highs in the lower 80s. |
| Tue Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Tuesday... Mostly sunny. Highs in the lower 80s. |
Wed Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Wednesday... Mostly cloudy with a 50% chance of showers. Highs in the lower 80s. Lows in the mid 60s. |
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