S
M
T
W
T
F
S
26
72°
54°
27
70°
45°
28
73°
43°
29
81°
52°
30
72°
54°
1
68°
52°
2
59°
46°
3
68°
41°
4
77°
41°
5
77°
45°
6
84°
52°
7
75°
57°
8
72°
54°
9
77°
55°
10
86°
61°
11
82°
57°
12
68°
50°
13
77°
50°
14
79°
55°
15
77°
43°
16
82°
46°
17
88°
54°
18
88°
61°
19
86°
57°
20
89°
62°
21
88°
64°
22
85°
68°
23
83°
67°
24
81°
66°
25
85°
67°
26
85°
66°
27
84°
63°
28
83°
64°
29
80°
60°
30
85°
65°
31
84°
64°
1
82°
63°
2
83°
64°
3
82°
65°
4
83°
66°
5
84°
67°
6
87°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pleasant Hill
Pleasant Hill's May 2026 forecast shows daily high temperatures ranging from 80° to 89°, with overnight lows between 60° and 68°. The average high for May is 84° with an average low of 65°. 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 Pleasant Hill. See also: June | July | August.