S
M
T
W
T
F
S
26
80°
59°
27
79°
56°
28
70°
61°
29
80°
61°
30
65°
54°
1
64°
47°
2
64°
48°
3
68°
41°
4
75°
45°
5
75°
51°
6
78°
63°
7
67°
53°
8
68°
48°
9
72°
52°
10
79°
59°
11
73°
56°
12
73°
54°
13
78°
53°
14
71°
49°
15
77°
46°
16
82°
54°
17
87°
58°
18
86°
64°
19
N/A
20
82°
66°
21
79°
66°
22
75°
68°
23
78°
65°
24
79°
67°
25
80°
66°
26
79°
65°
27
78°
66°
28
82°
65°
29
78°
64°
30
80°
64°
31
79°
63°
1
82°
60°
2
85°
64°
3
84°
63°
4
79°
62°
5
80°
62°
6
82°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Union Grove
Union Grove's May 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 60° and 68°. The average high for May is 80° with an average low of 65°. 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 Union Grove. See also: June | July | August.
