S
M
T
W
T
F
S
26
62°
40°
27
73°
39°
28
60°
42°
29
61°
47°
30
56°
37°
1
54°
40°
2
50°
34°
3
56°
38°
4
61°
49°
5
64°
47°
6
66°
55°
7
67°
46°
8
60°
43°
9
59°
44°
10
61°
43°
11
63°
46°
12
60°
47°
13
63°
48°
14
65°
47°
15
65°
48°
16
66°
51°
17
66°
49°
18
67°
54°
19
75°
55°
20
73°
54°
21
73°
56°
22
75°
53°
23
72°
54°
24
74°
51°
25
68°
47°
26
68°
54°
27
67°
56°
28
71°
57°
29
76°
57°
30
74°
56°
31
74°
52°
1
70°
50°
2
69°
50°
3
68°
51°
4
70°
50°
5
69°
51°
6
70°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Scranton
Scranton's May 2026 forecast shows daily high temperatures ranging from 50° to 76°, with overnight lows between 34° and 57°. The average high for May is 66° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Scranton. See also: June | July | August.