Peru, IL 14 Day Weather - 61354 WeatherWorld.com
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Peru, IL Weather Forecast


Peru, IL Weather Forecast Dated: 1009 AM Sat Sep 05 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Saturday, September 5, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
77°F 25°C
Sunny
Sizzling hot near 95°F 35°C with a heat index reaching 109°F 43°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the N to the ENE at 9 mph 15 km/h. Gusts up to 20 mph 31 km/h.
Sunday, September 6, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
70°F 21°C
Sunny
Comfortable with temperatures reaching 77°F 25°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the E to the ENE at 9 mph 14 km/h.
Monday, September 7, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
77°F 25°C
Cloudy
Early-Evening
71°F 22°C
Cloudy
Enjoyable around 77°F 25°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds E at 9 mph 14 km/h.
Tuesday, September 8, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
85°F 29°C
Partly Cloudy
Early-Evening
83°F 28°C
Sunny
Warm temperatures up to 85°F 29°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds out of the S at 11 mph 18 km/h. Gusts up to 26 mph 43 km/h.
Wednesday, September 9, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
73°F 23°C
Overcast
Very warm with a high of 81°F 27°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds blowing from the WNW at 11 mph 17 km/h.
Thursday, September 10, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
69°F 21°C
Sunny
Pleasant near 74°F 23°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
62°F 17°C
Light Fog
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
71°F 21°C
Partly Cloudy
Comfortable with temperatures reaching 73°F 23°C, cloudy throughout the day, with lower humidity and barometric pressure falling. Winds SE at 11 mph 17 km/h. Gusts up to 25 mph 41 km/h.
Saturday, September 12, 2026
Mid-Morning
69°F 21°C
Light Showers
Mid-Afternoon
82°F 28°C
Scattered Showers
Early-Evening
80°F 27°C
Sunny
Quite warm reaching 82°F 28°C, feeling like 86°F 30°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the S to the SE at 8 mph 13 km/h.
Sunday, September 13, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
87°F 31°C
Sunny
Very hot with a high of 93°F 34°C, feeling closer to 102°F 39°C in the humidity, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the SSW to the SSE at 8 mph 13 km/h.
Monday, September 14, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
92°F 34°C
Sunny
Early-Evening
85°F 30°C
Sunny
Sizzling hot near 92°F 34°C with a heat index reaching 95°F 35°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds swinging from the S to the E at 7 mph 11 km/h.
Tuesday, September 15, 2026
Mid-Morning
82°F 28°C
Light Showers
Mid-Afternoon
96°F 36°C
Scattered Showers
Early-Evening
87°F 31°C
Sunny
Hot and sweltering around 96°F 36°C (heat index 100°F 38°C), scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the S to the SW at 8 mph 13 km/h.
Wednesday, September 16, 2026
Mid-Morning
80°F 27°C
Overcast
Mid-Afternoon
92°F 33°C
Nearby Thunderstorms
Early-Evening
86°F 30°C
Sunny
Very hot with a high of 92°F 33°C, feeling closer to 96°F 35°C in the humidity, heavy thunderstorms conditions at times, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
73°F 23°C
Scattered Showers
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
81°F 28°C
Overcast
Warm and summery around 86°F 30°C (feels like 89°F 32°C), periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds turning from the NNE to the ENE at 7 mph 12 km/h.
Friday, September 18, 2026
Mid-Morning
67°F 20°C
Overcast
Mid-Afternoon
76°F 25°C
Cloudy
Early-Evening
69°F 21°C
Cloudy
Mild temperatures up to 76°F 25°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the NE to the ENE at 11 mph 17 km/h. Gusts up to 20 mph 32 km/h.
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