S
M
T
W
T
F
S
26
46°
41°
27
55°
39°
28
61°
45°
29
68°
48°
30
73°
52°
1
75°
57°
2
70°
61°
3
64°
48°
4
50°
45°
5
50°
45°
6
66°
50°
7
73°
54°
8
75°
57°
9
79°
57°
10
81°
61°
11
84°
66°
12
82°
64°
13
71°
56°
14
75°
55°
15
75°
59°
16
70°
52°
17
63°
50°
18
73°
50°
19
75°
59°
20
77°
59°
21
79°
63°
22
79°
63°
23
77°
63°
24
77°
59°
25
72°
46°
26
67°
50°
27
66°
52°
28
70°
57°
29
73°
57°
30
81°
58°
31
84°
56°
1
90°
60°
2
96°
59°
3
91°
58°
4
90°
57°
5
86°
56°
6
83°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Penn Valley
Penn Valley's May 2026 forecast shows daily high temperatures ranging from 66° to 96°, with overnight lows between 50° and 60°. The average high for May is 81° with an average low of 56°. 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 Penn Valley. See also: June | July | August.
