S
M
T
W
T
F
S
31
77°
45°
1
79°
52°
2
76°
52°
3
82°
50°
4
86°
50°
5
89°
55°
6
89°
60°
7
91°
66°
8
79°
66°
9
84°
64°
10
88°
69°
11
94°
71°
12
94°
69°
13
87°
64°
14
91°
66°
15
78°
63°
16
79°
57°
17
87°
58°
18
85°
70°
19
82°
63°
20
85°
64°
21
86°
68°
22
87°
68°
23
83°
63°
24
82°
63°
25
78°
62°
26
81°
61°
27
85°
60°
28
84°
66°
29
87°
68°
30
86°
68°
1
87°
64°
2
84°
65°
3
79°
68°
4
83°
67°
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 78° to 87°, with overnight lows between 60° and 68°. The average high for June is 84° with an average low of 65°. 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.
