S
M
T
W
T
F
S
26
87°
68°
27
88°
69°
28
87°
69°
29
91°
68°
30
91°
69°
31
90°
69°
1
88°
68°
2
89°
68°
3
84°
61°
4
84°
64°
5
85°
62°
6
89°
61°
7
86°
60°
8
85°
59°
9
84°
65°
10
85°
63°
11
87°
60°
12
85°
59°
13
82°
59°
14
82°
60°
15
83°
62°
16
82°
59°
17
82°
57°
18
83°
59°
19
82°
60°
20
82°
65°
21
83°
67°
22
89°
66°
23
90°
66°
24
90°
57°
25
83°
58°
26
81°
57°
27
81°
56°
28
82°
60°
29
84°
55°
30
81°
59°
31
81°
59°
1
80°
61°
2
80°
62°
3
81°
55°
4
82°
53°
5
79°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Syracuse
Syracuse's August 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 53° and 69°. The average high for August is 85° with an average low of 62°. 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 Syracuse. See also: September | October | November.