Weather WorldFlat Lake, IN 7-Day Weather Forecast
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Flat Lake Weather Forecast
Flat Lake, IN Weather Forecast Date: 442 AM EDT Sun Oct 11 2026
Weather forecast for Flat Lake, IN
Today Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Today... Mostly cloudy, then becoming partly cloudy this morning, then becoming mostly sunny. Highs in the mid 70s. East winds around 5 mph, becoming northeast around 5 mph this afternoon. |
| Columbus Day Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Columbus Day... Partly cloudy in the morning, then clearing. Highs in the mid 80s. South winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. |
Tue Hi: 85°FHi: 29°C Lo: 59°F Lo: 15°C |
Tuesday... Mostly sunny. A slight chance of showers in the morning. Highs in the mid 80s. Southwest winds 10 to 15 mph. Chance of rain 20%. |
Wed Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly cloudy with a 40% chance of showers. Highs in the lower 70s. |
Thu Hi: 70°FHi: 21°C Lo: 50°F Lo: 10°C |
Thursday... Partly cloudy in the morning, then becoming mostly cloudy. A 50% chance of showers. Highs around 70. |
| Fri Hi: 61°FHi: 16°C Lo: 39°F Lo: 4°C |
Friday... Mostly cloudy with a 40% chance of showers. Highs in the lower 60s. |
| Sat Hi: 55°FHi: 13°C |
Saturday... Partly cloudy with a 20% chance of showers. Highs in the mid 50s. |
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