S
M
T
W
T
F
S
26
64°
43°
27
68°
43°
28
74°
47°
29
78°
49°
30
75°
51°
1
71°
52°
2
70°
50°
3
71°
51°
4
72°
52°
5
71°
51°
6
73°
51°
7
73°
50°
8
76°
50°
9
74°
51°
10
77°
53°
11
78°
54°
12
79°
54°
13
80°
53°
14
80°
54°
15
79°
54°
16
78°
53°
17
79°
51°
18
73°
51°
19
72°
49°
20
72°
49°
21
73°
52°
22
75°
49°
23
79°
53°
24
81°
55°
25
81°
55°
26
80°
54°
27
81°
55°
28
81°
53°
29
79°
51°
30
76°
50°
31
74°
49°
1
74°
49°
2
75°
51°
3
74°
51°
4
74°
53°
5
75°
52°
6
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Morgan Hill
Morgan Hill's May 2026 forecast shows daily high temperatures ranging from 64° to 81°, with overnight lows between 43° and 55°. The average high for May is 75° with an average low of 51°. 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 Morgan Hill. See also: June | July | August.
