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Peru, IL 7-Day Weather Forecast
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Peru Weather Forecast
Peru, IL Weather Forecast Date: 236 AM CDT Tue Sep 08 2026
Weather forecast for Peru, IL
Morning Hi: 60°FHi: 16°C |
Early This Morning... Partly cloudy. Temperatures around 60. Southeast winds around 5 mph. |
| Today Hi: 89°FHi: 32°C Lo: 71°F Lo: 22°C |
Today... Partly cloudy. Highs in the upper 80s. South winds 5 to 10 mph. |
Wed Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Wednesday... Mostly cloudy. Showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. West winds 5 to 10 mph. Chance of precipitation 90%. |
| Thu Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Thursday... Partly cloudy in the morning, then clearing. Highs in the lower 80s. North winds around 5 mph. |
Fri Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Friday... Sunny. Highs in the lower 80s. |
Sat Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Saturday... Mostly cloudy. A chance of showers in the morning. Highs in the mid 80s. Chance of precipitation 40%. |
Sun Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Sunday... Partly cloudy in the morning, then becoming mostly cloudy. A 40% chance of showers. Highs in the lower 80s. |
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