S
M
T
W
T
F
S
26
63°
50°
27
68°
43°
28
72°
43°
29
79°
46°
30
81°
46°
1
81°
52°
2
73°
54°
3
66°
54°
4
59°
52°
5
68°
53°
6
76°
55°
7
80°
53°
8
82°
54°
9
92°
55°
10
92°
59°
11
94°
59°
12
91°
58°
13
90°
55°
14
86°
55°
15
85°
55°
16
84°
55°
17
85°
56°
18
82°
53°
19
85°
57°
20
87°
57°
21
87°
56°
22
86°
57°
23
87°
58°
24
88°
58°
25
89°
57°
26
88°
58°
27
86°
57°
28
84°
56°
29
83°
56°
30
84°
57°
31
85°
59°
1
87°
59°
2
89°
58°
3
89°
59°
4
87°
58°
5
87°
58°
6
82°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pleasant Grove
Pleasant Grove's May 2026 forecast shows daily high temperatures ranging from 68° to 94°, with overnight lows between 53° and 59°. The average high for May is 86° with an average low of 56°. 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 Pleasant Grove. See also: June | July | August.