PRINCETON, IL 61356 Weather Forecast & Current Conditions

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PERU, IL
Current Weather

1:35 PM CDT AUG 13, 2025
Scattered Clouds
79°F
Feels Like: 81°F
Dewpoint: 64°F
Rel. Hum.: 60%
Visibility: 10 miles
Wind: Calm
Pressure: 29.98 inches
Last 72 hours

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PRINCETON, IL 61356
Weather Forecast

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REST OF TODAY
Mostly sunny. Highs in the lower 80s. Northwest winds around 5 mph.
TONIGHT
Mostly clear. Lows around 60. North winds around 5 mph, becoming northeast around 5 mph after midnight.
THURSDAY
Sunny. Highs in the lower 80s. East winds around 5 mph.
THURSDAY NIGHT
Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph.
FRIDAY
Sunny with highs in the upper 80s. South winds around 5 mph.
FRIDAY NIGHT
Mostly clear. Lows in the upper 60s.
SATURDAY THROUGH SUNDAY NIGHT
Partly cloudy. Hot. Highs in the lower 90s. Lows around 70. Heat index values up to 105.
MONDAY
Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 30 percent.
MONDAY NIGHT
Partly cloudy with a chance of thunderstorms. A chance of showers. Lows in the upper 60s. Chance of rain 40 percent.
TUESDAY
Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 40 percent.

Visible Weather Satellite
PRINCETON, IL 61356
Infrared Weather Satellite
PRINCETON, IL 61356
NEXRAD Weather Radar
PRINCETON, IL 61356

PERU, IL 3 hourly weather forecast

weather forecast created  7:00 AM CDT  8/13/2025
Wednesday
13 AUG 2025
PRINCETON, IL 61356 weather forecast Day 1, 12 hours 1 PM 81° 84° Partly Cloudy 2%

0% Thunder
( 10% severe)
NNW   6 63% 67°
High 83° PRINCETON, IL 61356 weather forecast Day 1, 15 hours 4 PM 82° 84° Clear NNW   6 58% 66°
Clear



PRINCETON, IL 61356 weather forecast Day 1, 18 hours 7 PM 78° 80° Clear 0%

0% Thunder
( 2% severe)
NNW   5 67% 66°
PRINCETON, IL 61356 weather forecast Day 1, 21 hours 10 PM 69° 69° Clear N   3 87% 65°
Thursday
14 AUG 2025
PRINCETON, IL 61356 weather forecast Day 2, 0 hours 1 AM 66° 66° Clear 1%

0% Thunder
( 2% severe)
ENE   2 90% 63°
Low 63° PRINCETON, IL 61356 weather forecast Day 2, 3 hours 4 AM 63° 64° Clear NE   2 100% 63°
High 83° PRINCETON, IL 61356 weather forecast Day 2, 6 hours 7 AM 65° 65° Clear 0%

0% Thunder
( 1% severe)
NE   2 93% 63°

Clear



PRINCETON, IL 61356 weather forecast Day 2, 9 hours 10 AM 76° 78° Clear E   2 71% 66°
PRINCETON, IL 61356 weather forecast Day 2, 12 hours 1 PM 81° 83° Clear 0%

0% Thunder
( 6% severe)
E   2 58% 65°
PRINCETON, IL 61356 weather forecast Day 2, 15 hours 4 PM 83° 84° Clear E   2 53% 64°
PRINCETON, IL 61356 weather forecast Day 2, 18 hours 7 PM 79° 81° Clear 1%

0% Thunder
( 4% severe)
E   1 64% 66°
PRINCETON, IL 61356 weather forecast Day 2, 21 hours 10 PM 70° 70° Clear ESE   2 84% 65°
Friday
15 AUG 2025
PRINCETON, IL 61356 weather forecast Day 3, 0 hours 1 AM 66° 66° Clear 1%

0% Thunder
( 4% severe)
E   3 90% 63°
Low 65° PRINCETON, IL 61356 weather forecast Day 3, 3 hours 4 AM 65° 65° Clear ESE   2 93% 63°
High 88° PRINCETON, IL 61356 weather forecast Day 3, 6 hours 7 AM 66° 66° Clear 1%

0% Thunder
( 7% severe)
ESE   2 93% 64°

Clear



PRINCETON, IL 61356 weather forecast Day 3, 9 hours 10 AM 79° 82° Clear SSE   5 74% 70°
PRINCETON, IL 61356 weather forecast Day 3, 15 hours 1 PM 85° 90° Partly Cloudy 1%

0% Thunder
( 8% severe)
S   7 63% 71°
PRINCETON, IL 61356 weather forecast Day 3, 18 hours 4 PM 87° 93° Clear S   6 61% 72°
PRINCETON, IL 61356 weather forecast Day 3, 21 hours 7 PM 84° 90° Partly Cloudy     S   3 70% 73°

PERU, IL extended weather forecast

Saturday
16 AUG 2025
Sunday
17 AUG 2025
Monday
18 AUG 2025
Tuesday
19 AUG 2025
Wednesday
20 AUG 2025
Low 72° Low 73° Low 71° Low 70° Low 66°
High 95° High 95° High 89° High 85° High 85°
PRINCETON, IL 61356 weather forecast Day 4 PRINCETON, IL 61356 weather forecast Day 5 PRINCETON, IL 61356 weather forecast Day 6 PRINCETON, IL 61356 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
13% Rain
Partly Cloudy
21% Rain
Partly Cloudy
25% Rain
Partly Cloudy
48% Rain
Partly Cloudy
36% Rain
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