S
M
T
W
T
F
S
26
78°
69°
27
80°
70°
28
83°
70°
29
82°
72°
30
85°
71°
31
83°
73°
1
85°
75°
2
86°
79°
3
83°
76°
4
83°
76°
5
87°
80°
6
87°
81°
7
88°
79°
8
88°
79°
9
90°
77°
10
89°
76°
11
90°
75°
12
88°
76°
13
90°
76°
14
89°
79°
15
85°
80°
16
85°
79°
17
90°
81°
18
89°
81°
19
86°
79°
20
89°
79°
21
84°
76°
22
82°
75°
23
88°
75°
24
84°
72°
25
84°
72°
26
86°
75°
27
82°
76°
28
84°
77°
29
79°
73°
30
84°
74°
31
84°
74°
1
89°
74°
2
88°
78°
3
90°
77°
4
91°
77°
5
85°
75°
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 ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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.
