S
M
T
W
T
F
S
26
92°
62°
27
88°
59°
28
94°
54°
29
94°
64°
30
95°
64°
31
99°
64°
1
100°
63°
2
102°
67°
3
104°
62°
4
105°
66°
5
101°
61°
6
98°
60°
7
99°
66°
8
99°
63°
9
101°
62°
10
103°
64°
11
99°
61°
12
92°
61°
13
89°
61°
14
83°
62°
15
85°
60°
16
92°
59°
17
94°
65°
18
96°
60°
19
98°
60°
20
98°
62°
21
94°
61°
22
97°
61°
23
96°
66°
24
98°
65°
25
98°
63°
26
103°
67°
27
100°
69°
28
93°
58°
29
89°
56°
30
87°
61°
31
82°
59°
1
93°
62°
2
91°
61°
3
94°
61°
4
93°
62°
5
95°
63°
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 82° to 103°, with overnight lows between 56° and 69°. The average high for August is 93° with an average low of 62°. 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.
