S
M
T
W
T
F
S
31
90°
73°
1
88°
75°
2
87°
73°
3
87°
72°
4
82°
73°
5
86°
71°
6
86°
75°
7
88°
76°
8
86°
74°
9
89°
74°
10
88°
73°
11
90°
75°
12
89°
74°
13
90°
75°
14
89°
74°
15
87°
73°
16
88°
75°
17
87°
75°
18
88°
77°
19
90°
76°
20
95°
79°
21
87°
76°
22
86°
77°
23
86°
77°
24
87°
76°
25
86°
77°
26
86°
77°
27
87°
76°
28
87°
77°
29
88°
77°
30
87°
76°
1
87°
78°
2
88°
78°
3
87°
77°
4
87°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Fairfax
Fairfax's June 2026 forecast shows daily high temperatures ranging from 86° to 95°, with overnight lows between 73° and 79°. The average high for June is 88° with an average low of 76°. 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 Fairfax. See also: July | August | September.
