S
M
T
W
T
F
S
31
84°
54°
1
83°
57°
2
82°
58°
3
84°
57°
4
84°
58°
5
82°
58°
6
79°
57°
7
79°
59°
8
81°
59°
9
82°
57°
10
89°
61°
11
91°
62°
12
94°
62°
13
90°
63°
14
89°
61°
15
90°
62°
16
87°
60°
17
81°
60°
18
79°
59°
19
82°
57°
20
80°
57°
21
80°
60°
22
84°
58°
23
91°
61°
24
93°
60°
25
92°
62°
26
89°
61°
27
88°
62°
28
86°
62°
29
84°
61°
30
89°
60°
1
90°
62°
2
88°
62°
3
90°
64°
4
91°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Pomona
Pomona's June 2026 forecast shows daily high temperatures ranging from 79° to 93°, with overnight lows between 57° and 65°. The average high for June is 87° with an average low of 61°. 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 Pomona. See also: July | August | September.