S
M
T
W
T
F
S
26
74°
57°
27
74°
57°
28
73°
56°
29
71°
52°
30
70°
57°
31
69°
58°
1
73°
57°
2
72°
55°
3
71°
57°
4
70°
57°
5
71°
56°
6
73°
57°
7
73°
57°
8
72°
56°
9
74°
58°
10
74°
57°
11
73°
57°
12
75°
58°
13
74°
57°
14
72°
55°
15
72°
56°
16
68°
56°
17
72°
55°
18
71°
56°
19
71°
54°
20
72°
52°
21
72°
55°
22
71°
55°
23
72°
54°
24
72°
54°
25
71°
53°
26
68°
54°
27
67°
50°
28
66°
54°
29
67°
53°
30
66°
51°
31
66°
52°
1
67°
54°
2
67°
52°
3
68°
50°
4
65°
51°
5
65°
53°
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 65° to 75°, with overnight lows between 50° and 58°. The average high for August is 71° with an average low of 55°. 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.
