S
M
T
W
T
F
S
29
82°
64°
30
79°
63°
1
84°
61°
2
88°
64°
3
91°
68°
4
90°
73°
5
84°
70°
6
81°
64°
7
82°
61°
8
81°
61°
9
82°
57°
10
79°
66°
11
82°
68°
12
75°
63°
13
84°
59°
14
88°
66°
15
90°
72°
16
70°
57°
17
72°
54°
18
73°
57°
19
79°
64°
20
81°
61°
21
75°
66°
22
88°
73°
23
82°
72°
24
82°
66°
25
82°
63°
26
84°
66°
27
90°
64°
28
82°
61°
29
82°
64°
30
79°
68°
31
75°
59°
1
73°
55°
2
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Fairfax
Fairfax's July 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for July 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 July weather will actually feel in Fairfax. See also: August | September | October.
