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Rock Lake, IN Weather Forecast
Rock Lake, IN Weather Forecast Date: 658 PM EDT Sat Aug 22 2026
The area/counties/county of: Fulton County In, including the cities of: Rochester and Akron.or toggle through each period.
Tonight... Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. Gusts up to 20 mph this evening.
Sunday... Mostly sunny. Highs in the mid 70s. Northwest winds around 5 mph, increasing to around 10 mph with gusts up to 20 mph in the afternoon.
Sunday Night... Mostly clear. Lows in the mid 50s. North winds 5 to 10 mph in the evening, becoming light and variable.
Monday... Mostly sunny. Highs in the mid 70s. West winds around 5 mph.
Monday Night... Mostly clear. Lows in the mid 50s. North winds around 5 mph in the evening, becoming light and variable.
Tuesday... Mostly sunny. Highs in the upper 70s.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. A 20% chance of showers. Lows in the upper 50s.
Wednesday... Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20%.
Wednesday Night... Partly cloudy in the evening, then becoming mostly clear. A chance of showers with a slight chance of thunderstorms. Lows in the lower 60s. Chance of rain 50%.
Thursday... Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 30%.
Thursday Night... Mostly clear. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 30%.
Friday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20%.
Friday Night... A slight chance of thunderstorms in the evening. Mostly clear with a slight chance of showers. Lows in the lower 60s. Chance of rain 20%.
POP = Probability of Precipitation
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