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
N/A
8
93°
70°
9
92°
71°
10
93°
72°
11
88°
67°
12
87°
64°
13
88°
67°
14
89°
65°
15
91°
64°
16
92°
70°
17
90°
71°
18
89°
70°
19
88°
69°
20
87°
67°
21
89°
69°
22
89°
70°
23
88°
70°
24
87°
69°
25
85°
71°
26
85°
71°
27
86°
70°
28
85°
71°
29
85°
71°
30
86°
70°
31
84°
72°
1
85°
72°
2
85°
71°
3
87°
71°
4
86°
72°
5
86°
72°
6
87°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Oak Valley
Oak Valley's May 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 64° and 72°. The average high for May is 88° 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.
