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
90°
64°
12
88°
62°
13
84°
60°
14
88°
60°
15
91°
61°
16
95°
62°
17
96°
63°
18
95°
63°
19
94°
61°
20
91°
60°
21
94°
63°
22
95°
62°
23
98°
65°
24
94°
58°
25
92°
61°
26
94°
62°
27
93°
63°
28
94°
63°
29
94°
62°
30
93°
61°
31
94°
60°
1
92°
59°
2
93°
57°
3
91°
57°
4
91°
58°
5
92°
61°
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 98°, with overnight lows between 57° and 65°. The average high for August is 93° 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.
