S
M
T
W
T
F
S
26
94°
76°
27
93°
76°
28
94°
75°
29
94°
76°
30
93°
76°
31
93°
75°
1
92°
76°
2
94°
75°
3
90°
75°
4
89°
74°
5
90°
74°
6
91°
73°
7
93°
74°
8
94°
74°
9
93°
74°
10
94°
73°
11
95°
74°
12
94°
75°
13
95°
75°
14
94°
74°
15
94°
75°
16
93°
74°
17
92°
73°
18
91°
74°
19
91°
74°
20
92°
73°
21
93°
74°
22
94°
73°
23
94°
73°
24
93°
75°
25
94°
73°
26
93°
73°
27
92°
74°
28
90°
73°
29
90°
74°
30
91°
73°
31
90°
74°
1
91°
73°
2
90°
74°
3
91°
73°
4
90°
73°
5
90°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Pittsburg
Pittsburg's August 2026 forecast shows daily high temperatures ranging from 89° to 95°, with overnight lows between 73° and 76°. The average high for August is 92° with an average low of 74°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Pittsburg. See also: September | October | November.