10-day forecast for Peru, IL: 36° to 72°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Thursday, October 22
55°
Worst day: Friday, October 16
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1756° / 36°0
Morning38°feels 34°
Afternoon56°feels 53°
Evening47°feels 44°
Overnight42°feels 37°
56 °
Peru, Saturday, 17 October
Clear. High 56°, low 36°.
Pressure30.56 inHg
Wind3.5 mph SW
Humidity45%
Visibility6.2 mi
Dew point29°
Sun, 1861° / 42°0
Morning43°feels 39°
Afternoon61°feels 59°
Evening51°feels 49°
Overnight43°feels 39°
61 °
Peru, Sunday, 18 October
Clear. High 61°, low 42°.
Pressure30.47 inHg
Wind11.8 mph SW
Humidity51%
Visibility6.2 mi
Dew point40°
Mon, 1965° / 42°0
Morning46°feels 44°
Afternoon63°feels 62°
Evening53°feels 51°
Overnight45°feels 42°
65 °
Peru, Monday, 19 October
Mostly clear. High 65°, low 42°.
Pressure30.39 inHg
Wind5.3 mph S
Humidity52%
Visibility6.2 mi
Dew point42°
Tue, 2067° / 42°0
Morning49°feels 47°
Afternoon65°feels 63°
Evening56°feels 54°
Overnight50°feels 48°
67 °
Peru, Tuesday, 20 October
Light rain. High 67°, low 42°.
Pressure30.33 inHg
Wind6.2 mph SE
Humidity42%
Visibility—
Dew point39°
Wed, 2169° / 45°0
Morning51°feels 50°
Afternoon66°feels 65°
Evening60°feels 58°
Overnight55°feels 53°
69 °
Peru, Wednesday, 21 October
Mostly clear. High 69°, low 45°.
Pressure30.30 inHg
Wind5.9 mph SE
Humidity46%
Visibility—
Dew point43°
Thu, 2272° / 53°0
Morning58°feels 56°
Afternoon69°feels 67°
Evening63°feels 61°
Overnight59°feels 57°
72 °
Peru, Thursday, 22 October
Overcast. High 72°, low 53°.
Pressure30.24 inHg
Wind7.2 mph S
Humidity37%
Visibility—
Dew point40°
Fri, 2372° / 55°0
Morning60°feels 57°
Afternoon70°feels 68°
Evening62°feels 61°
Overnight59°feels 57°
72 °
Peru, Friday, 23 October
Partly cloudy. High 72°, low 55°.
Pressure30.18 inHg
Wind10 mph SE
Humidity36%
Visibility—
Dew point41°
Sat, 2470° / 56°0
Morning60°feels 58°
Afternoon69°feels 67°
Evening62°feels 60°
Overnight58°feels 56°
70 °
Peru, Saturday, 24 October
Overcast. High 70°, low 56°.
Pressure30.21 inHg
Wind9.1 mph SE
Humidity39%
Visibility—
Dew point42°
Sun, 2570° / 54°0
Morning58°feels 56°
Afternoon68°feels 66°
Evening61°feels 59°
Overnight58°feels 56°
70 °
Peru, Sunday, 25 October
Partly cloudy. High 70°, low 54°.
Pressure30.27 inHg
Wind6.9 mph NE
Humidity38%
Visibility—
Dew point40°
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.