S
M
T
W
T
F
S
26
85°
67°
27
83°
72°
28
80°
71°
29
72°
62°
30
67°
58°
1
66°
55°
2
73°
49°
3
78°
49°
4
80°
58°
5
76°
62°
6
75°
55°
7
70°
53°
8
75°
50°
9
81°
61°
10
81°
61°
11
77°
61°
12
80°
52°
13
86°
54°
14
81°
56°
15
90°
65°
16
86°
72°
17
90°
68°
18
92°
75°
19
92°
71°
20
82°
72°
21
75°
67°
22
83°
69°
23
85°
68°
24
78°
69°
25
78°
69°
26
79°
70°
27
85°
69°
28
81°
68°
29
82°
68°
30
84°
66°
31
80°
67°
1
83°
65°
2
83°
65°
3
85°
68°
4
84°
68°
5
87°
67°
6
83°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ballaston
Ballaston's May 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 65° and 70°. The average high for May is 82° with an average low of 68°. 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 Ballaston. See also: June | July | August.