S
M
T
W
T
F
S
26
92°
65°
27
94°
65°
28
95°
64°
29
96°
66°
30
96°
66°
31
95°
65°
1
89°
61°
2
89°
62°
3
94°
63°
4
89°
62°
5
89°
62°
6
92°
65°
7
95°
64°
8
89°
64°
9
93°
63°
10
94°
64°
11
96°
65°
12
95°
62°
13
95°
61°
14
94°
62°
15
95°
62°
16
95°
64°
17
94°
66°
18
96°
65°
19
96°
64°
20
95°
63°
21
94°
60°
22
90°
58°
23
89°
59°
24
88°
62°
25
89°
60°
26
95°
62°
27
95°
64°
28
94°
64°
29
94°
62°
30
95°
63°
31
94°
62°
1
93°
61°
2
92°
61°
3
92°
60°
4
94°
64°
5
94°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mountain House
Mountain House's August 2026 forecast shows daily high temperatures ranging from 88° to 96°, with overnight lows between 58° and 66°. The average high for August is 93° with an average low of 63°. 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 Mountain House. See also: September | October | November.
