S
M
T
W
T
F
S
28
75°
59°
29
76°
63°
30
81°
66°
1
80°
66°
2
78°
65°
3
81°
62°
4
77°
60°
5
76°
59°
6
77°
59°
7
78°
63°
8
78°
64°
9
83°
67°
10
85°
67°
11
80°
66°
12
81°
67°
13
83°
67°
14
83°
66°
15
79°
64°
16
81°
67°
17
81°
67°
18
83°
68°
19
85°
66°
20
83°
62°
21
83°
65°
22
84°
61°
23
83°
59°
24
79°
59°
25
77°
60°
26
77°
59°
27
78°
62°
28
77°
60°
29
78°
61°
30
79°
66°
31
84°
66°
1
85°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Round Lake
Round Lake's July 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 59° and 68°. The average high for July is 80° 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 Round Lake. See also: August | September | October.
