S
M
T
W
T
F
S
31
78°
56°
1
79°
55°
2
78°
52°
3
81°
57°
4
84°
63°
5
85°
65°
6
84°
66°
7
83°
66°
8
81°
65°
9
83°
67°
10
84°
64°
11
83°
66°
12
83°
62°
13
82°
62°
14
81°
63°
15
76°
59°
16
75°
58°
17
75°
58°
18
76°
60°
19
77°
62°
20
77°
65°
21
78°
63°
22
80°
66°
23
79°
64°
24
79°
65°
25
81°
67°
26
84°
66°
27
83°
67°
28
80°
63°
29
79°
61°
30
80°
62°
1
80°
61°
2
81°
62°
3
80°
68°
4
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Monrovia
Monrovia's June 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 52° and 68°. The average high for June is 80° with an average low of 63°. 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 Monrovia. See also: July | August | September.