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Harrison Lake, IN Weather Forecast
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Harrison Lake Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | | |  | | | |  |  | |  |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy |
| Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C |
| POP: 80% | POP: 50% | POP: 20% | POP: 20% | POP: 20% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 503 PM EDT Thu Aug 13 2026 
Harrison Lake Radar Loop
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