Weather WorldRound Lake Park, IL 7-Day Weather Forecast
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Round Lake Park Weather Forecast
Round Lake Park, IL Weather Forecast Date: 605 AM CDT Thu Aug 27 2026
Weather forecast for Round Lake Park, IL
Today Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Today... Mostly sunny in the morning, then becoming partly cloudy. A slight chance of showers in the afternoon. Highs around 80 inland, but only in the mid 70s near the lake. Northwest winds 5 to 10 mph, becoming northeast in the afternoon. Chance of precipitation 20%. |
Fri Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Friday... Mostly sunny. Highs around 80 inland, but only in the mid 70s near the lake. Southwest winds 5 to 10 mph. |
Sat Hi: 80°FHi: 27°C Lo: 69°F Lo: 21°C |
Saturday... Mostly cloudy. Highs around 80. South winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. |
Sun Hi: 85°FHi: 29°C Lo: 71°F Lo: 22°C |
Sunday... Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly cloudy in the afternoon. Highs in the mid 80s. Chance of precipitation 40%. |
| Mon Hi: 85°FHi: 29°C Lo: 71°F Lo: 22°C |
Monday... Mostly cloudy with a chance of showers and thunderstorms in the morning, then partly cloudy in the afternoon. Highs in the mid 80s. Chance of precipitation 30%. |
| Tue Hi: 85°FHi: 29°C Lo: 70°F Lo: 21°C |
Tuesday... Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers in the morning. Highs in the mid 80s. Chance of precipitation 40%. |
Wed Hi: 85°FHi: 29°C |
Wednesday... Partly cloudy. Highs in the mid 80s. |
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