S
M
T
W
T
F
S
26
90°
57°
27
91°
58°
28
92°
59°
29
92°
59°
30
93°
60°
31
95°
62°
1
96°
64°
2
96°
64°
3
95°
63°
4
94°
61°
5
94°
60°
6
93°
60°
7
94°
61°
8
95°
62°
9
94°
63°
10
95°
61°
11
95°
57°
12
93°
57°
13
92°
58°
14
93°
63°
15
92°
64°
16
95°
63°
17
97°
63°
18
98°
62°
19
95°
63°
20
97°
63°
21
97°
62°
22
96°
62°
23
97°
61°
24
96°
62°
25
94°
62°
26
94°
61°
27
95°
61°
28
94°
58°
29
92°
57°
30
90°
59°
31
90°
56°
1
91°
56°
2
92°
55°
3
90°
54°
4
88°
55°
5
87°
54°
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 87° to 98°, with overnight lows between 54° and 64°. The average high for August is 94° with an average low of 60°. 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.
