S
M
T
W
T
F
S
26
81°
63°
27
85°
63°
28
81°
58°
29
79°
62°
30
84°
64°
31
81°
58°
1
85°
64°
2
86°
65°
3
80°
58°
4
82°
57°
5
80°
56°
6
80°
57°
7
85°
57°
8
80°
58°
9
81°
63°
10
86°
62°
11
84°
60°
12
86°
63°
13
86°
64°
14
85°
65°
15
81°
63°
16
86°
56°
17
80°
55°
18
79°
56°
19
78°
56°
20
76°
57°
21
78°
54°
22
77°
60°
23
79°
61°
24
84°
62°
25
86°
61°
26
86°
52°
27
78°
52°
28
76°
53°
29
76°
54°
30
77°
59°
31
81°
61°
1
83°
61°
2
84°
58°
3
82°
53°
4
82°
59°
5
81°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Ballston Spa
Ballston Spa's August 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 52° and 65°. The average high for August is 82° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Ballston Spa. See also: September | October | November.