S
M
T
W
T
F
S
26
86°
66°
27
88°
70°
28
84°
71°
29
86°
69°
30
87°
68°
31
85°
70°
1
86°
69°
2
84°
68°
3
85°
68°
4
88°
71°
5
86°
70°
6
88°
72°
7
89°
73°
8
88°
72°
9
89°
73°
10
89°
72°
11
84°
68°
12
84°
68°
13
86°
72°
14
88°
73°
15
88°
73°
16
89°
72°
17
84°
72°
18
85°
71°
19
85°
70°
20
87°
71°
21
88°
72°
22
87°
71°
23
85°
69°
24
87°
70°
25
89°
72°
26
90°
72°
27
89°
71°
28
87°
69°
29
85°
68°
30
85°
67°
31
87°
69°
1
88°
70°
2
87°
70°
3
87°
66°
4
81°
66°
5
82°
69°
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 81° to 90°, with overnight lows between 66° and 73°. The average high for August is 86° with an average low of 70°. 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.
