S
M
T
W
T
F
S
27
40°
23°
28
36°
24°
29
38°
24°
30
40°
34°
31
48°
30°
1
52°
23°
2
45°
20°
3
34°
22°
4
34°
24°
5
38°
35°
6
47°
37°
7
50°
27°
8
52°
20°
9
48°
19°
10
30°
26°
11
39°
22°
12
38°
15°
13
33°
17°
14
31°
17°
15
33°
20°
16
33°
25°
17
41°
31°
18
41°
27°
19
52°
21°
20
43°
21°
21
33°
28°
22
40°
31°
23
46°
33°
24
47°
35°
25
48°
35°
26
50°
33°
27
50°
32°
28
46°
30°
29
47°
30°
30
45°
30°
31
Hist. Avg.
42°
26°
1
Hist. Avg.
42°
26°
2
Hist. Avg.
42°
26°
3
Hist. Avg.
42°
26°
4
Hist. Avg.
42°
26°
5
Hist. Avg.
42°
26°
6
Hist. Avg.
42°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Swarthmore
Swarthmore's January 2027 forecast shows daily high temperatures ranging from 30° to 52°, with overnight lows between 15° and 37°. The average high for January is 42° with an average low of 26°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Swarthmore. See also: February | March | April.
