S
M
T
W
T
F
S
31
77°
51°
1
76°
52°
2
75°
53°
3
76°
58°
4
81°
59°
5
75°
59°
6
75°
58°
7
76°
60°
8
80°
52°
9
76°
52°
10
76°
61°
11
85°
61°
12
85°
60°
13
78°
61°
14
78°
62°
15
80°
62°
16
82°
61°
17
78°
57°
18
78°
52°
19
79°
53°
20
80°
56°
21
84°
62°
22
83°
56°
23
78°
57°
24
79°
55°
25
78°
55°
26
79°
56°
27
80°
56°
28
79°
61°
29
79°
57°
30
80°
58°
1
84°
59°
2
83°
55°
3
79°
56°
4
79°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Marengo
Marengo's June 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 51° and 62°. The average high for June is 79° with an average low of 57°. 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 Marengo. See also: July | August | September.