S
M
T
W
T
F
S
28
96°
73°
29
97°
74°
30
94°
75°
1
92°
73°
2
93°
69°
3
94°
72°
4
96°
74°
5
97°
78°
6
93°
76°
7
96°
72°
8
N/A
9
96°
75°
10
96°
75°
11
96°
72°
12
91°
71°
13
85°
70°
14
82°
71°
15
88°
72°
16
93°
71°
17
92°
71°
18
96°
73°
19
95°
75°
20
92°
73°
21
91°
71°
22
93°
73°
23
91°
72°
24
94°
73°
25
93°
73°
26
91°
72°
27
89°
71°
28
89°
71°
29
90°
72°
30
92°
73°
31
90°
73°
1
89°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Fairfax
Fairfax's July 2026 forecast shows daily high temperatures ranging from 82° to 96°, with overnight lows between 70° and 75°. The average high for July is 91° with an average low of 72°. 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.
