S
M
T
W
T
F
S
26
78°
56°
27
79°
55°
28
78°
58°
29
78°
62°
30
79°
62°
31
83°
63°
1
84°
63°
2
84°
64°
3
85°
63°
4
85°
56°
5
84°
54°
6
77°
55°
7
76°
57°
8
77°
57°
9
78°
59°
10
80°
56°
11
77°
60°
12
81°
61°
13
82°
59°
14
81°
60°
15
82°
61°
16
77°
58°
17
83°
54°
18
77°
54°
19
76°
53°
20
79°
53°
21
78°
57°
22
79°
58°
23
75°
56°
24
75°
57°
25
78°
60°
26
81°
58°
27
81°
52°
28
78°
52°
29
75°
56°
30
73°
58°
31
80°
60°
1
81°
57°
2
80°
55°
3
77°
51°
4
76°
51°
5
79°
57°
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 73° to 85°, with overnight lows between 51° and 64°. The average high for August is 79° with an average low of 57°. 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.
