S
M
T
W
T
F
S
26
63°
43°
27
75°
38°
28
74°
52°
29
57°
45°
30
52°
35°
1
45°
33°
2
43°
35°
3
60°
27°
4
73°
47°
5
72°
53°
6
56°
45°
7
59°
33°
8
60°
38°
9
69°
48°
10
62°
40°
11
61°
33°
12
67°
32°
13
68°
46°
14
55°
40°
15
67°
49°
16
77°
62°
17
81°
62°
18
91°
65°
19
86°
61°
20
72°
50°
21
68°
49°
22
71°
49°
23
71°
51°
24
69°
51°
25
76°
55°
26
75°
50°
27
74°
56°
28
75°
55°
29
76°
57°
30
77°
55°
31
71°
52°
1
71°
48°
2
72°
48°
3
70°
49°
4
72°
50°
5
78°
58°
6
82°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Willow Grove
Willow Grove's May 2026 forecast shows daily high temperatures ranging from 55° to 91°, with overnight lows between 40° and 65°. The average high for May is 74° with an average low of 53°. 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 Willow Grove. See also: June | July | August.
