S
M
T
W
T
F
S
26
74°
40°
27
76°
39°
28
78°
38°
29
77°
37°
30
72°
35°
1
73°
36°
2
75°
37°
3
73°
37°
4
72°
35°
5
72°
35°
6
73°
36°
7
76°
39°
8
80°
40°
9
81°
43°
10
82°
43°
11
83°
42°
12
82°
43°
13
82°
42°
14
83°
43°
15
83°
44°
16
82°
41°
17
83°
43°
18
83°
42°
19
84°
42°
20
83°
42°
21
77°
40°
22
78°
44°
23
81°
44°
24
77°
38°
25
78°
41°
26
84°
45°
27
87°
46°
28
87°
46°
29
81°
42°
30
80°
40°
31
80°
45°
1
82°
46°
2
85°
47°
3
89°
46°
4
91°
47°
5
91°
48°
6
90°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pinnacles National Monument
Pinnacles National Monument's May 2026 forecast shows daily high temperatures ranging from 72° to 91°, with overnight lows between 35° and 48°. The average high for May is 80° with an average low of 42°. 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 Pinnacles National Monument. See also: June | July | August.
