S
M
T
W
T
F
S
26
97°
68°
27
94°
67°
28
91°
63°
29
91°
62°
30
96°
59°
31
100°
62°
1
96°
66°
2
97°
62°
3
96°
61°
4
96°
61°
5
95°
63°
6
95°
64°
7
94°
65°
8
92°
64°
9
91°
63°
10
90°
62°
11
89°
64°
12
90°
65°
13
89°
64°
14
92°
62°
15
91°
64°
16
88°
64°
17
87°
62°
18
88°
64°
19
88°
65°
20
89°
64°
21
91°
64°
22
92°
65°
23
93°
66°
24
93°
66°
25
92°
65°
26
92°
66°
27
92°
66°
28
93°
65°
29
91°
65°
30
90°
66°
31
90°
66°
1
91°
67°
2
92°
66°
3
89°
66°
4
86°
65°
5
86°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Temecula
Temecula's August 2026 forecast shows daily high temperatures ranging from 86° to 97°, with overnight lows between 61° and 67°. The average high for August is 91° with an average low of 64°. 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 Temecula. See also: September | October | November.
