S
M
T
W
T
F
S
26
87°
63°
27
88°
72°
28
87°
73°
29
77°
63°
30
66°
57°
1
58°
54°
2
73°
50°
3
80°
46°
4
80°
56°
5
80°
64°
6
80°
54°
7
73°
52°
8
75°
57°
9
73°
62°
10
83°
66°
11
75°
59°
12
81°
52°
13
85°
53°
14
85°
59°
15
90°
62°
16
86°
70°
17
83°
72°
18
86°
72°
19
87°
68°
20
74°
64°
21
75°
66°
22
76°
67°
23
78°
66°
24
79°
68°
25
81°
65°
26
84°
66°
27
83°
67°
28
83°
67°
29
81°
66°
30
86°
65°
31
88°
69°
1
88°
69°
2
87°
68°
3
85°
68°
4
83°
63°
5
84°
66°
6
87°
70°
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 74° to 88°, with overnight lows between 63° and 72°. The average high for May is 83° with an average low of 67°. 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.