S
M
T
W
T
F
S
26
63°
51°
27
69°
49°
28
77°
47°
29
81°
49°
30
87°
50°
1
83°
53°
2
82°
58°
3
72°
55°
4
66°
54°
5
68°
54°
6
77°
60°
7
82°
58°
8
87°
60°
9
94°
60°
10
90°
58°
11
94°
63°
12
93°
61°
13
83°
53°
14
92°
59°
15
87°
64°
16
78°
59°
17
76°
57°
18
80°
56°
19
84°
61°
20
87°
63°
21
91°
65°
22
91°
64°
23
89°
64°
24
84°
61°
25
87°
62°
26
90°
61°
27
88°
61°
28
77°
56°
29
79°
58°
30
82°
59°
31
83°
60°
1
86°
63°
2
88°
64°
3
88°
64°
4
87°
65°
5
88°
65°
6
89°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pine Grove
Pine Grove's May 2026 forecast shows daily high temperatures ranging from 77° to 91°, with overnight lows between 56° and 65°. The average high for May is 86° with an average low of 62°. 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 Pine Grove. See also: June | July | August.