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Peru, IL

75°F
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Peru, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

July

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
28
84°
66°
29
91°
75°
30
91°
75°
1
91°
77°
2
93°
72°
3
90°
70°
4
84°
70°
5
81°
70°
6
82°
66°
7
84°
66°
8
86°
66°
9
86°
72°
10
84°
72°
11
84°
66°
12
88°
64°
13
90°
66°
14
90°
68°
15
91°
72°
16
91°
75°
17
90°
72°
18
90°
69°
19
82°
64°
20
82°
63°
21
82°
64°
22
Partly sunny and not as warm
75°
55°
23
Partly sunny and beautiful
76°
58°
24
Mostly sunny and nice
79°
61°
25
Mostly sunny and humid
81°
70°
26
Sunshine and hot
92°
73°
27
Hot with a t-storm possible
93°
70°
28
Mostly sunny, warm and humid
89°
65°
29
Sunny and less humid
85°
64°
30
Partly sunny
87°
62°
31
A thunderstorm or two
84°
62°
1
Partly sunny
84°
59°

Temperature Graph

°F
100° 90° 80° 70° 60° Jul
Today 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

July Weather in Peru

Peru's July 2026 forecast shows daily high temperatures ranging from 75° to 93°, with overnight lows between 55° and 73°. The average high for July is 84° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Peru. See also: August | September | October.

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