Weather WorldJohnson Lake, IL 7-Day Weather Forecast
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Johnson Lake Weather Forecast
Johnson Lake, IL Weather Forecast Date: 226 AM CDT Sun Oct 25 2026
Weather forecast for Johnson Lake, IL
Today Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
Today... Mostly cloudy. Highs in the upper 70s. South winds 5 to 10 mph. |
| Mon Hi: 75°FHi: 24°C Lo: 49°F Lo: 9°C |
Monday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s. East winds around 5 mph. |
| Tue Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Tuesday... Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 70s. Southeast winds 5 to 10 mph. |
Wed Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly sunny. Highs in the mid 70s. |
Thu Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Thursday... Partly cloudy. A chance of showers. Lows in the mid 50s. Highs in the mid 70s. Chance of rain 30%. |
| Fri Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Friday... Mostly cloudy. Highs in the mid 70s. Lows in the upper 50s. |
Sat Hi: 71°FHi: 22°C |
Saturday... Mostly cloudy with a 50% chance of showers. Highs in the lower 70s. |
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