S
M
T
W
T
F
S
26
62°
39°
27
72°
35°
28
62°
36°
29
65°
48°
30
65°
47°
1
66°
38°
2
62°
43°
3
61°
40°
4
74°
36°
5
84°
58°
6
69°
53°
7
64°
48°
8
67°
40°
9
62°
50°
10
76°
51°
11
62°
41°
12
64°
46°
13
60°
50°
14
62°
49°
15
62°
49°
16
72°
52°
17
71°
53°
18
75°
58°
19
74°
54°
20
73°
53°
21
74°
54°
22
75°
53°
23
78°
58°
24
77°
57°
25
78°
58°
26
79°
59°
27
80°
60°
28
80°
60°
29
79°
59°
30
80°
61°
31
80°
60°
1
78°
57°
2
71°
54°
3
73°
53°
4
76°
60°
5
75°
61°
6
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Upper Gwynedd Township
Upper Gwynedd Township's May 2026 forecast shows daily high temperatures ranging from 60° to 80°, with overnight lows between 41° and 61°. The average high for May is 73° with an average low of 55°. 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 Upper Gwynedd Township. See also: June | July | August.