S
M
T
W
T
F
S
26
88°
58°
27
91°
61°
28
87°
60°
29
86°
58°
30
85°
56°
31
87°
56°
1
86°
57°
2
91°
58°
3
87°
58°
4
85°
57°
5
85°
57°
6
86°
58°
7
88°
59°
8
91°
58°
9
90°
59°
10
91°
61°
11
90°
60°
12
90°
61°
13
88°
61°
14
87°
60°
15
90°
61°
16
91°
61°
17
91°
60°
18
90°
61°
19
91°
61°
20
91°
60°
21
90°
61°
22
91°
60°
23
88°
61°
24
89°
60°
25
90°
60°
26
90°
58°
27
91°
59°
28
93°
61°
29
92°
60°
30
93°
60°
31
93°
59°
1
92°
60°
2
92°
62°
3
93°
61°
4
92°
59°
5
91°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Suisun City
Suisun City's August 2026 forecast shows daily high temperatures ranging from 85° to 93°, with overnight lows between 56° and 62°. The average high for August is 90° 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 Suisun City. See also: September | October | November.
