S
M
T
W
T
F
S
26
65°
53°
27
69°
50°
28
77°
51°
29
83°
49°
30
87°
53°
1
83°
54°
2
83°
55°
3
72°
55°
4
70°
55°
5
63°
53°
6
80°
55°
7
84°
55°
8
86°
53°
9
90°
54°
10
87°
54°
11
95°
52°
12
95°
57°
13
85°
57°
14
90°
58°
15
91°
57°
16
90°
56°
17
74°
61°
18
81°
59°
19
91°
58°
20
93°
55°
21
93°
52°
22
91°
51°
23
81°
57°
24
81°
56°
25
83°
58°
26
86°
57°
27
83°
57°
28
85°
56°
29
83°
59°
30
87°
58°
31
88°
60°
1
84°
57°
2
87°
61°
3
86°
61°
4
89°
62°
5
88°
61°
6
88°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mountain House
Mountain House's May 2026 forecast shows daily high temperatures ranging from 81° to 93°, with overnight lows between 51° and 62°. The average high for May is 87° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Mountain House. See also: June | July | August.
