S
M
T
W
T
F
S
26
83°
57°
27
85°
64°
28
83°
68°
29
86°
69°
30
82°
69°
31
85°
68°
1
87°
70°
2
85°
73°
3
82°
72°
4
84°
71°
5
87°
70°
6
87°
72°
7
88°
68°
8
86°
67°
9
86°
69°
10
89°
67°
11
88°
65°
12
83°
64°
13
83°
65°
14
82°
66°
15
85°
64°
16
81°
63°
17
87°
68°
18
87°
65°
19
86°
69°
20
87°
68°
21
86°
67°
22
84°
68°
23
87°
69°
24
88°
69°
25
87°
68°
26
85°
68°
27
80°
67°
28
81°
68°
29
84°
66°
30
85°
67°
31
84°
67°
1
85°
66°
2
79°
62°
3
78°
61°
4
78°
62°
5
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Pomona
Pomona's August 2026 forecast shows daily high temperatures ranging from 77° to 89°, with overnight lows between 60° and 73°. The average high for August is 84° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Pomona. See also: September | October | November.
