S
M
T
W
T
F
S
26
72°
42°
27
60°
46°
28
59°
48°
29
63°
45°
30
65°
45°
1
70°
47°
2
82°
48°
3
82°
49°
4
82°
49°
5
72°
51°
6
68°
51°
7
68°
50°
8
70°
51°
9
69°
52°
10
67°
51°
11
66°
50°
12
65°
51°
13
66°
51°
14
64°
45°
15
66°
46°
16
65°
47°
17
65°
47°
18
64°
48°
19
62°
48°
20
64°
47°
21
60°
47°
22
62°
46°
23
68°
48°
24
69°
49°
25
70°
50°
26
70°
47°
27
68°
46°
28
67°
47°
29
69°
50°
30
70°
51°
31
70°
51°
1
64°
50°
2
67°
51°
3
69°
51°
4
66°
50°
5
67°
50°
6
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Union Bay
Union Bay's May 2026 forecast shows daily high temperatures ranging from 60° to 82°, with overnight lows between 45° and 52°. The average high for May is 68° with an average low of 49°. 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 Bay. See also: June | July | August.
