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
85°
69°
4
87°
70°
5
89°
70°
6
90°
69°
7
88°
72°
8
87°
71°
9
88°
72°
10
88°
71°
11
83°
66°
12
84°
67°
13
85°
71°
14
86°
72°
15
87°
71°
16
88°
71°
17
83°
70°
18
84°
70°
19
84°
69°
20
86°
70°
21
86°
70°
22
87°
69°
23
84°
68°
24
86°
69°
25
88°
70°
26
88°
71°
27
87°
69°
28
86°
68°
29
84°
67°
30
84°
66°
31
86°
67°
1
86°
68°
2
85°
68°
3
86°
64°
4
80°
64°
5
80°
67°
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 80° to 90°, with overnight lows between 64° and 72°. The average high for August is 86° 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 Swarthmore. See also: September | October | November.
