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