S
M
T
W
T
F
S
26
87°
66°
27
89°
70°
28
81°
67°
29
86°
68°
30
84°
67°
31
88°
70°
1
89°
71°
2
86°
67°
3
87°
69°
4
89°
70°
5
89°
69°
6
90°
70°
7
89°
69°
8
87°
71°
9
88°
72°
10
85°
72°
11
87°
72°
12
84°
71°
13
84°
72°
14
86°
71°
15
83°
67°
16
83°
69°
17
82°
68°
18
81°
67°
19
85°
70°
20
85°
70°
21
83°
69°
22
82°
68°
23
83°
70°
24
87°
64°
25
80°
63°
26
80°
69°
27
86°
70°
28
88°
71°
29
88°
70°
30
87°
68°
31
85°
62°
1
79°
61°
2
78°
61°
3
78°
62°
4
79°
63°
5
80°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Swarthmore
Swarthmore's August 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 61° and 72°. The average high for August is 85° with an average low of 68°. 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 Swarthmore. See also: September | October | November.
