S
M
T
W
T
F
S
31
72°
50°
1
63°
50°
2
74°
47°
3
77°
49°
4
73°
53°
5
71°
50°
6
66°
42°
7
65°
42°
8
75°
42°
9
69°
52°
10
62°
41°
11
71°
44°
12
75°
47°
13
76°
46°
14
80°
47°
15
83°
51°
16
88°
54°
17
82°
47°
18
69°
44°
19
68°
45°
20
75°
46°
21
75°
47°
22
79°
48°
23
74°
46°
24
72°
52°
25
76°
51°
26
68°
46°
27
67°
43°
28
68°
46°
29
69°
49°
30
75°
51°
1
80°
53°
2
81°
51°
3
81°
56°
4
82°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Fairfield
Fairfield's June 2026 forecast shows daily high temperatures ranging from 62° to 88°, with overnight lows between 41° and 56°. The average high for June is 75° with an average low of 48°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Fairfield. See also: July | August | September.