S
M
T
W
T
F
S
27
84°
54°
28
91°
55°
29
95°
59°
30
90°
55°
31
95°
55°
1
95°
55°
2
93°
55°
3
91°
55°
4
90°
55°
5
88°
54°
6
95°
59°
7
97°
63°
8
100°
63°
9
104°
64°
10
102°
61°
11
97°
59°
12
93°
57°
13
88°
57°
14
90°
57°
15
95°
59°
16
88°
63°
17
84°
57°
18
88°
55°
19
93°
55°
20
99°
55°
21
102°
63°
22
102°
63°
23
102°
64°
24
97°
63°
25
97°
59°
26
95°
63°
27
91°
61°
28
95°
55°
29
95°
57°
30
100°
59°
31
102°
64°
1
102°
61°
2
99°
66°
3
95°
59°
4
90°
57°
5
86°
57°
6
84°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rancho Murieta
Rancho Murieta's August 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Rancho Murieta. See also: September | October | November.