Lake Marion, IN Weather Forecast
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Lake Marion Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Mostly Sunny | Chance of Showers | Mostly Sunny | Partly Cloudy | Chance of Showers | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C |
| POP: 30% | POP: 20% | POP: 40% | POP: 30% | POP: 30% | POP: 40% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 358 AM EDT Thu Oct 29 2026 

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Issued: 215 AM EDT Thu Oct 29 2026
Key Messages
- 20% to 40% chance of isolated showers this afternoon as a cold front moves through. Remaining very warm ahead of the front.
- Not quite as warm this weekend but still above-normal to end October.
- 20 to 40% chance of showers on Halloween, mainly west of I- 69.
Discussion
... Issued at 212 AM EDT Thu Oct 29 2026
High pressure continues to flex its muscle over the eastern CONUS early this morning. Water vapor shows fleeting Pacific moisture return to a cold front working its way through the ...
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