S
M
T
W
T
F
S
26
81°
55°
27
84°
55°
28
58°
47°
29
64°
43°
30
66°
40°
1
67°
42°
2
64°
42°
3
79°
40°
4
80°
61°
5
69°
44°
6
63°
41°
7
69°
39°
8
77°
50°
9
84°
47°
10
71°
42°
11
79°
39°
12
79°
48°
13
80°
48°
14
81°
46°
15
86°
65°
16
85°
68°
17
84°
71°
18
87°
63°
19
69°
50°
20
65°
50°
21
69°
52°
22
72°
57°
23
76°
60°
24
81°
61°
25
80°
63°
26
81°
65°
27
82°
61°
28
82°
62°
29
77°
61°
30
81°
65°
31
84°
66°
1
84°
65°
2
83°
65°
3
78°
62°
4
78°
59°
5
80°
65°
6
83°
67°
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 65° to 87°, with overnight lows between 50° and 71°. The average high for May is 79° with an average low of 62°. 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.
