S
M
T
W
T
F
S
26
86°
62°
27
91°
64°
28
90°
65°
29
90°
61°
30
87°
67°
1
90°
68°
2
87°
65°
3
81°
63°
4
86°
60°
5
88°
60°
6
93°
61°
7
91°
66°
8
92°
66°
9
94°
68°
10
93°
71°
11
94°
71°
12
88°
71°
13
88°
68°
14
89°
62°
15
93°
67°
16
96°
70°
17
95°
70°
18
90°
69°
19
92°
68°
20
91°
69°
21
93°
73°
22
92°
72°
23
92°
71°
24
90°
71°
25
88°
70°
26
89°
68°
27
89°
71°
28
88°
72°
29
90°
72°
30
90°
71°
31
89°
72°
1
90°
72°
2
88°
71°
3
88°
72°
4
87°
72°
5
87°
73°
6
88°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Oak Valley
Oak Valley's May 2026 forecast shows daily high temperatures ranging from 87° to 96°, with overnight lows between 62° and 73°. The average high for May is 90° with an average low of 70°. 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 Oak Valley. See also: June | July | August.
