S
M
T
W
T
F
S
26
81°
61°
27
80°
64°
28
78°
62°
29
80°
59°
30
83°
64°
31
80°
58°
1
82°
63°
2
83°
63°
3
82°
57°
4
83°
56°
5
78°
61°
6
78°
59°
7
83°
58°
8
83°
57°
9
80°
57°
10
83°
61°
11
83°
56°
12
81°
57°
13
81°
62°
14
84°
63°
15
79°
60°
16
83°
54°
17
78°
54°
18
76°
55°
19
79°
55°
20
77°
56°
21
74°
54°
22
74°
60°
23
80°
61°
24
81°
60°
25
82°
52°
26
81°
50°
27
74°
51°
28
73°
51°
29
72°
52°
30
74°
57°
31
74°
60°
1
81°
60°
2
80°
57°
3
79°
53°
4
79°
57°
5
78°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fairfield
Fairfield's August 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 50° and 64°. The average high for August is 79° with an average low of 58°. 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.
