S
M
T
W
T
F
S
28
77°
70°
29
88°
66°
30
90°
65°
1
98°
69°
2
99°
74°
3
99°
74°
4
100°
73°
5
93°
72°
6
91°
73°
7
83°
71°
8
82°
72°
9
89°
72°
10
85°
68°
11
89°
70°
12
85°
66°
13
86°
63°
14
92°
65°
15
100°
71°
16
97°
71°
17
92°
72°
18
91°
73°
19
89°
71°
20
89°
68°
21
87°
67°
22
85°
66°
23
88°
68°
24
86°
67°
25
87°
66°
26
86°
67°
27
85°
69°
28
87°
71°
29
89°
67°
30
84°
71°
31
84°
71°
1
85°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Manassas Regional Harry P. Davis field
Manassas Regional Harry P. Davis field's July 2026 forecast shows daily high temperatures ranging from 84° to 100°, with overnight lows between 65° and 73°. The average high for July is 89° with an average low of 69°. 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 Manassas Regional Harry P. Davis field. See also: August | September | October.
