S
M
T
W
T
F
S
26
82°
69°
27
86°
60°
28
79°
62°
29
78°
63°
30
76°
56°
1
74°
53°
2
76°
56°
3
79°
58°
4
80°
56°
5
76°
57°
6
78°
57°
7
82°
61°
8
83°
62°
9
82°
62°
10
83°
63°
11
84°
64°
12
84°
63°
13
83°
60°
14
77°
59°
15
82°
63°
16
84°
64°
17
85°
65°
18
84°
65°
19
80°
62°
20
79°
58°
21
79°
58°
22
84°
61°
23
86°
65°
24
87°
66°
25
86°
67°
26
83°
67°
27
81°
66°
28
84°
68°
29
87°
68°
30
83°
67°
31
84°
66°
1
84°
65°
2
85°
67°
3
85°
64°
4
84°
63°
5
88°
64°
6
90°
66°
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 74° to 90°, with overnight lows between 53° and 69°. The average high for May is 82° with an average low of 63°. 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.
