S
M
T
W
T
F
S
31
65°
45°
1
69°
50°
2
71°
48°
3
77°
44°
4
86°
68°
5
78°
66°
6
85°
61°
7
79°
60°
8
84°
69°
9
81°
68°
10
84°
68°
11
85°
68°
12
84°
67°
13
85°
64°
14
80°
65°
15
79°
61°
16
75°
63°
17
81°
58°
18
80°
62°
19
82°
63°
20
79°
63°
21
77°
56°
22
73°
56°
23
77°
64°
24
84°
66°
25
85°
60°
26
78°
60°
27
76°
62°
28
77°
64°
29
80°
65°
30
81°
64°
1
80°
65°
2
81°
66°
3
84°
66°
4
85°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Round Lake
Round Lake's June 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 56° and 69°. The average high for June is 81° 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 June weather will actually feel in Round Lake. See also: July | August | September.
