S
M
T
W
T
F
S
28
76°
72°
29
89°
71°
30
89°
71°
1
98°
75°
2
102°
80°
3
102°
84°
4
101°
76°
5
98°
74°
6
87°
71°
7
89°
69°
8
87°
74°
9
93°
74°
10
95°
76°
11
93°
74°
12
91°
73°
13
86°
73°
14
88°
72°
15
90°
74°
16
92°
72°
17
88°
72°
18
89°
74°
19
92°
76°
20
92°
75°
21
86°
75°
22
87°
74°
23
91°
76°
24
91°
75°
25
90°
75°
26
92°
76°
27
92°
76°
28
91°
75°
29
91°
75°
30
92°
76°
31
93°
76°
1
91°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Ft. Mcnair
Ft. Mcnair's July 2026 forecast shows daily high temperatures ranging from 86° to 101°, with overnight lows between 69° and 76°. The average high for July is 91° with an average low of 74°. 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 Ft. Mcnair. See also: August | September | October.
