10-day forecast for Peru, IL: 60° to 90°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Monday, August 10
62° · 0.12 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0990° / 64°0.07
Morning71°feels 72°
Afternoon87°feels 100°
Evening84°feels 96°
Overnight67°feels 68°
90 °
Peru, Sunday, 9 August
Rain. High 90°, low 64°.
Pressure29.91 inHg
Wind15.5 mph S
Humidity76%
Visibility6.2 mi
Dew point75°
Mon, 1089° / 72°0
Morning74°feels 76°
Afternoon83°feels 91°
Evening80°feels 84°
Overnight76°feels 77°
89 °
Peru, Monday, 10 August
Light rain. High 89°, low 72°.
Pressure29.91 inHg
Wind7 mph SW
Humidity83%
Visibility6.2 mi
Dew point73°
Tue, 1186° / 73°0
Morning76°feels 77°
Afternoon86°feels 95°
Evening80°feels 80°
Overnight74°feels 75°
86 °
Peru, Tuesday, 11 August
Overcast. High 86°, low 73°.
Pressure29.80 inHg
Wind11.7 mph SW
Humidity79%
Visibility6.2 mi
Dew point72°
Wed, 1281° / 69°0.04
Morning72°feels 73°
Afternoon79°feels 80°
Evening73°feels 74°
Overnight72°feels 73°
81 °
Peru, Wednesday, 12 August
Light rain. High 81°, low 69°.
Pressure29.88 inHg
Wind6.8 mph N
Humidity72%
Visibility6.2 mi
Dew point72°
Thu, 1375° / 62°0.07
Morning66°feels 66°
Afternoon74°feels 74°
Evening66°feels 66°
Overnight64°feels 64°
75 °
Peru, Thursday, 13 August
Light rain. High 75°, low 62°.
Pressure30.00 inHg
Wind7.6 mph E
Humidity76%
Visibility—
Dew point65°
Fri, 1476° / 60°0
Morning64°feels 64°
Afternoon74°feels 75°
Evening70°feels 70°
Overnight64°feels 64°
76 °
Peru, Friday, 14 August
Partly cloudy. High 76°, low 60°.
Pressure30.12 inHg
Wind7.8 mph E
Humidity66%
Visibility—
Dew point61°
Sat, 1562° / 60°0.12
Morning61°feels 60°
Afternoon60°feels 60°
Evening61°feels 61°
Overnight61°feels 60°
62 °
Peru, Saturday, 15 August
Light rain. High 62°, low 60°.
Pressure30.27 inHg
Wind8.2 mph E
Humidity97%
Visibility—
Dew point59°
Sun, 1672° / 60°0
Morning63°feels 63°
Afternoon66°feels 66°
Evening68°feels 69°
Overnight63°feels 63°
72 °
Peru, Sunday, 16 August
Overcast. High 72°, low 60°.
Pressure30.15 inHg
Wind6.8 mph E
Humidity80%
Visibility—
Dew point59°
Mon, 1778° / 62°0.08
Morning67°feels 67°
Afternoon76°feels 77°
Evening74°feels 75°
Overnight67°feels 67°
78 °
Peru, Monday, 17 August
Light rain. High 78°, low 62°.
Pressure30.06 inHg
Wind3.1 mph S
Humidity76%
Visibility—
Dew point66°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Peru, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.