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Peru IL Weather - Clear - 84°F
Clear
84°F
Updated 10:09 am
Feels Like 98°F
Humidity 79%
Wind NE 6 mph
Barometer  29.95 in
Dew Point 77°F
Peru IL Weather - Clear - 29°C
Clear
29°C
Updated 10:09 am
Feels Like 37°C
Humidity 79%
Wind NE 10 km/h
Barometer  101.4 kPa
Dew Point 25°C
Peru, IL Weather and Current Conditionsperu il weather forecast

Peru, IL Weather Forecast

Peru Illinois WeatherPeru, Illinois Weather Weather Forecast
14 Day API Peru, IL Weather Forecast. Note: Our 7 day Peru, Illinois weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
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
Peru Weather - 2026-09-05 - Morning - Sunny
83°F 28°C
Sunny
Mid-Afternoon
Peru Weather - 2026-09-05 - Afternoon - Sunny
95°F 35°C
Sunny
Early-Evening
Peru Weather - 2026-09-05 - Evening - Sunny
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
Peru Weather - 2026-09-06 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Peru Weather - 2026-09-06 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
Peru Weather - 2026-09-06 - Evening - Sunny
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
Peru Weather - 2026-09-07 - Morning - Sunny
65°F 18°C
Sunny
Mid-Afternoon
Peru Weather - 2026-09-07 - Afternoon - Cloudy
77°F 25°C
Cloudy
Early-Evening
Peru Weather - 2026-09-07 - Evening - Cloudy
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
Peru Weather - 2026-09-08 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Peru Weather - 2026-09-08 - Afternoon - Partly Cloudy
85°F 29°C
Partly Cloudy
Early-Evening
Peru Weather - 2026-09-08 - Evening - Sunny
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
Peru Weather - 2026-09-09 - Morning - Sunny
73°F 23°C
Sunny
Mid-Afternoon
Peru Weather - 2026-09-09 - Afternoon - Overcast
81°F 27°C
Overcast
Early-Evening
Peru Weather - 2026-09-09 - Evening - Overcast
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
Peru Weather - 2026-09-10 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
Peru Weather - 2026-09-10 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
Peru Weather - 2026-09-10 - Evening - Sunny
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
Peru Weather - 2026-09-11 - Morning - Light Fog
62°F 17°C
Light Fog
Mid-Afternoon
Peru Weather - 2026-09-11 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Peru Weather - 2026-09-11 - Evening - Partly Cloudy
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
Peru Weather - 2026-09-12 - Morning - Light Showers
69°F 21°C
Light Showers
Mid-Afternoon
Peru Weather - 2026-09-12 - Afternoon - Scattered Showers
82°F 28°C
Scattered Showers
Early-Evening
Peru Weather - 2026-09-12 - Evening - Sunny
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
Peru Weather - 2026-09-13 - Morning - Sunny
81°F 27°C
Sunny
Mid-Afternoon
Peru Weather - 2026-09-13 - Afternoon - Sunny
93°F 34°C
Sunny
Early-Evening
Peru Weather - 2026-09-13 - Evening - Sunny
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
Peru Weather - 2026-09-14 - Morning - Sunny
77°F 25°C
Sunny
Mid-Afternoon
Peru Weather - 2026-09-14 - Afternoon - Sunny
92°F 34°C
Sunny
Early-Evening
Peru Weather - 2026-09-14 - Evening - Sunny
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
Peru Weather - 2026-09-15 - Morning - Light Showers
82°F 28°C
Light Showers
Mid-Afternoon
Peru Weather - 2026-09-15 - Afternoon - Scattered Showers
96°F 36°C
Scattered Showers
Early-Evening
Peru Weather - 2026-09-15 - Evening - Sunny
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
Peru Weather - 2026-09-16 - Morning - Overcast
80°F 27°C
Overcast
Mid-Afternoon
Peru Weather - 2026-09-16 - Afternoon - Nearby Thunderstorms
92°F 33°C
Nearby Thunderstorms
Early-Evening
Peru Weather - 2026-09-16 - Evening - Sunny
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
Peru Weather - 2026-09-17 - Morning - Scattered Showers
73°F 23°C
Scattered Showers
Mid-Afternoon
Peru Weather - 2026-09-17 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
Peru Weather - 2026-09-17 - Evening - Overcast
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
Peru Weather - 2026-09-18 - Morning - Overcast
67°F 20°C
Overcast
Mid-Afternoon
Peru Weather - 2026-09-18 - Afternoon - Cloudy
76°F 25°C
Cloudy
Early-Evening
Peru Weather - 2026-09-18 - Evening - Cloudy
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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Weather by the Numbers

Sat, 5th
Peru IL Weather - Saturday, Sep 5, 2026 - Sunny
Hi: 97°F 36°C
Lo: 69°F 20°C
Sunrise 06:26 AM
Sunset 07:22 PM
Wind NE 8 mph13 km/h
Dew Point 80°F27°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 3% *
Humidity 61%
Sun, 6th
Peru IL Weather - Sunday, Sep 6, 2026 - Overcast
Hi: 77°F 25°C
Lo: 64°F 18°C
Sunrise 06:27 AM
Sunset 07:21 PM
Wind E 8 mph13 km/h
Dew Point 62°F17°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 17% *
Humidity 67%
Mon, 7th
Peru IL Weather - Monday, Sep 7, 2026 - Partly Cloudy
Hi: 77°F 25°C
Lo: 60°F 16°C
Sunrise 06:28 AM
Sunset 07:19 PM
Wind E 10 mph15 km/h
Dew Point 56°F13°C
uv Index 7
Barometric Pressure 30.12 in1020 mb
POP 7% *
Humidity 53%
Tue, 8th
Peru IL Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 85°F 30°C
Lo: 62°F 17°C
Sunrise 06:29 AM
Sunset 07:17 PM
Wind SSW 9 mph15 km/h
Dew Point 61°F16°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 53%
Wed, 9th
Peru IL Weather - Wednesday, Sep 9, 2026 - Cloudy
Hi: 85°F 29°C
Lo: 68°F 20°C
Sunrise 06:30 AM
Sunset 07:16 PM
Wind NW 10 mph17 km/h
Dew Point 65°F18°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 12% *
Humidity 59%
Thu, 10th
Peru IL Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 75°F 24°C
Lo: 62°F 16°C
Sunrise 06:31 AM
Sunset 07:14 PM
Wind NNW 5 mph8 km/h
Dew Point 56°F13°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 6% *
Humidity 61%
Fri, 11th
Peru IL Weather - Friday, Sep 11, 2026 - Overcast
Hi: 74°F 23°C
Lo: 56°F 14°C
Sunrise 06:32 AM
Sunset 07:12 PM
Wind SE 10 mph15 km/h
Dew Point 57°F14°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 15% *
Humidity 64%
Sat, 12th
Peru IL Weather - Saturday, Sep 12, 2026 - Patchy Rain Nearby
Hi: 83°F 28°C
Lo: 65°F 18°C
Sunrise 06:33 AM
Sunset 07:11 PM
Wind S 17 mph27 km/h
Dew Point 67°F19°C
uv Index 6
Barometric Pressure 29.85 in1011 mb
POP 20% *
Humidity 71%
Sun, 13th
Peru IL Weather - Sunday, Sep 13, 2026 - Partly Cloudy
Hi: 94°F 35°C
Lo: 79°F 26°C
Sunrise 06:34 AM
Sunset 07:09 PM
Wind SW 13 mph20 km/h
Dew Point 69°F21°C
uv Index 8
Barometric Pressure 29.94 in1014 mb
POP 3% *
Humidity 56%
Mon, 14th
Peru IL Weather - Monday, Sep 14, 2026 - Sunny
Hi: 94°F 34°C
Lo: 76°F 24°C
Sunrise 06:35 AM
Sunset 07:07 PM
Wind S 9 mph14 km/h
Dew Point 61°F16°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 44%
Tue, 15th
Peru IL Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 97°F 36°C
Lo: 77°F 25°C
Sunrise 06:36 AM
Sunset 07:05 PM
Wind SSW 4 mph6 km/h
Dew Point 66°F19°C
uv Index 8
Barometric Pressure 30.12 in1020 mb
POP 5% *
Humidity 45%
Wed, 16th
Peru IL Weather - Wednesday, Sep 16, 2026 - Cloudy
Hi: 92°F 33°C
Lo: 75°F 24°C
Sunrise 06:38 AM
Sunset 07:04 PM
Wind SW 4 mph6 km/h
Dew Point 66°F19°C
uv Index 7
Barometric Pressure 30.15 in1021 mb
POP 10% *
Humidity 48%
Thu, 17th
Peru IL Weather - Thursday, Sep 17, 2026 - Light Rain Shower
Hi: 89°F 32°C
Lo: 72°F 22°C
Sunrise 06:39 AM
Sunset 07:02 PM
Wind E 7 mph12 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 28% *
Humidity 73%
Fri, 18th
Peru IL Weather - Friday, Sep 18, 2026 - Overcast
Hi: 77°F 25°C
Lo: 64°F 18°C
Sunrise 06:40 AM
Sunset 07:00 PM
Wind ENE 11 mph18 km/h
Dew Point 64°F18°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 17% *
Humidity 76%
* POP = Probability of Precipitation. Data for 12:00 PM.