S
M
T
W
T
F
S
26
90°
69°
27
88°
70°
28
91°
67°
29
87°
68°
30
85°
74°
31
90°
69°
1
91°
68°
2
88°
73°
3
90°
69°
4
92°
68°
5
85°
72°
6
84°
67°
7
85°
66°
8
83°
67°
9
85°
67°
10
86°
68°
11
87°
67°
12
87°
70°
13
86°
70°
14
85°
68°
15
84°
73°
16
90°
72°
17
89°
71°
18
89°
66°
19
86°
66°
20
84°
67°
21
87°
71°
22
86°
70°
23
89°
71°
24
90°
72°
25
89°
71°
26
90°
70°
27
88°
65°
28
87°
64°
29
82°
71°
30
88°
70°
31
83°
65°
1
82°
65°
2
Hist. Avg.
83°
65°
3
Hist. Avg.
83°
65°
4
Hist. Avg.
83°
65°
5
Hist. Avg.
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Marcus Hook
Marcus Hook's August 2026 forecast shows daily high temperatures ranging from 82° to 92°, with overnight lows between 64° and 74°. The average high for August is 87° with an average low of 69°. 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 Marcus Hook. See also: September | October | November.
