S
M
T
W
T
F
S
26
93°
75°
27
93°
74°
28
92°
72°
29
93°
73°
30
91°
71°
31
93°
72°
1
93°
72°
2
92°
73°
3
92°
75°
4
93°
75°
5
93°
74°
6
92°
74°
7
91°
73°
8
90°
75°
9
90°
74°
10
91°
75°
11
93°
75°
12
93°
74°
13
92°
74°
14
92°
73°
15
93°
72°
16
91°
70°
17
92°
74°
18
93°
72°
19
89°
71°
20
92°
73°
21
89°
71°
22
92°
74°
23
92°
75°
24
93°
73°
25
93°
74°
26
Hist. Avg.
92°
75°
27
Hist. Avg.
91°
75°
28
Hist. Avg.
91°
75°
29
Hist. Avg.
91°
75°
30
Hist. Avg.
91°
75°
31
Hist. Avg.
91°
74°
1
Hist. Avg.
91°
74°
2
Hist. Avg.
91°
74°
3
Hist. Avg.
91°
74°
4
Hist. Avg.
91°
74°
5
Hist. Avg.
90°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Pennsylvania
Pennsylvania's August 2026 forecast shows daily high temperatures ranging from 89° to 93°, with overnight lows between 70° and 75°. The average high for August is 92° with an average low of 73°. 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 Pennsylvania. See also: September | October | November.
