S
M
T
W
T
F
S
26
74°
40°
27
68°
51°
28
62°
48°
29
76°
39°
30
81°
39°
1
85°
40°
2
86°
56°
3
91°
49°
4
80°
56°
5
81°
55°
6
80°
54°
7
77°
57°
8
68°
51°
9
76°
50°
10
78°
50°
11
74°
48°
12
73°
49°
13
79°
50°
14
72°
47°
15
68°
48°
16
70°
45°
17
68°
44°
18
62°
43°
19
63°
42°
20
65°
44°
21
73°
50°
22
73°
47°
23
68°
45°
24
74°
52°
25
73°
48°
26
71°
47°
27
75°
53°
28
75°
53°
29
76°
52°
30
77°
53°
31
78°
54°
1
77°
53°
2
76°
52°
3
75°
50°
4
74°
48°
5
73°
49°
6
71°
47°
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 62° to 81°, with overnight lows between 42° and 57°. The average high for May is 73° with an average low of 50°. 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.