S
M
T
W
T
F
S
26
93°
71°
27
98°
68°
28
92°
68°
29
92°
65°
30
94°
64°
31
100°
68°
1
99°
72°
2
99°
71°
3
96°
70°
4
94°
70°
5
91°
69°
6
95°
70°
7
93°
71°
8
98°
71°
9
96°
73°
10
93°
72°
11
-100°
-100°
12
89°
61°
13
84°
62°
14
88°
60°
15
91°
61°
16
95°
62°
17
96°
63°
18
95°
63°
19
94°
61°
20
91°
60°
21
92°
61°
22
93°
62°
23
95°
62°
24
97°
63°
25
92°
59°
26
94°
62°
27
93°
63°
28
95°
63°
29
89°
62°
30
89°
62°
31
90°
61°
1
90°
59°
2
89°
59°
3
90°
60°
4
88°
57°
5
90°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Calimesa
Calimesa's August 2026 forecast shows daily high temperatures ranging from 84° to 97°, with overnight lows between 57° and 63°. The average high for August is 92° 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 August weather will actually feel in Calimesa. See also: September | October | November.
