S
M
T
W
T
F
S
26
66°
30°
27
72°
34°
28
73°
37°
29
68°
37°
30
50°
39°
1
50°
29°
2
49°
28°
3
49°
27°
4
57°
26°
5
77°
39°
6
46°
41°
7
50°
31°
8
48°
31°
9
63°
29°
10
62°
42°
11
50°
36°
12
53°
30°
13
53°
30°
14
53°
43°
15
60°
41°
16
71°
55°
17
66°
41°
18
72°
55°
19
80°
59°
20
65°
40°
21
56°
39°
22
58°
44°
23
59°
43°
24
65°
46°
25
66°
48°
26
65°
52°
27
66°
42°
28
60°
41°
29
61°
45°
30
60°
47°
31
61°
47°
1
63°
46°
2
61°
44°
3
61°
42°
4
62°
41°
5
62°
48°
6
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pittsburg
Pittsburg's May 2026 forecast shows daily high temperatures ranging from 53° to 80°, with overnight lows between 39° and 59°. The average high for May is 63° with an average low of 46°. 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 Pittsburg. See also: June | July | August.
