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
83°
72°
20
87°
60°
21
86°
66°
22
91°
66°
23
75°
60°
24
82°
56°
25
86°
60°
26
88°
68°
27
82°
70°
28
76°
69°
29
88°
68°
30
91°
72°
1
101°
75°
2
101°
78°
3
100°
76°
4
94°
74°
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 91° to 101°, with overnight lows between 72° and 78°. The average high for June is 97° with an average low of 75°. 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.
