S
M
T
W
T
F
S
26
96°
77°
27
97°
77°
28
96°
76°
29
97°
76°
30
98°
77°
31
98°
78°
1
99°
77°
2
96°
77°
3
96°
76°
4
95°
77°
5
96°
77°
6
97°
76°
7
97°
77°
8
96°
77°
9
97°
76°
10
97°
77°
11
96°
77°
12
96°
76°
13
93°
74°
14
95°
74°
15
96°
73°
16
96°
74°
17
97°
73°
18
96°
72°
19
95°
73°
20
96°
74°
21
97°
74°
22
93°
72°
23
92°
70°
24
94°
71°
25
96°
72°
26
96°
72°
27
95°
73°
28
97°
73°
29
96°
71°
30
95°
71°
31
95°
74°
1
94°
74°
2
95°
73°
3
95°
74°
4
94°
72°
5
95°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Northwest Harris
Northwest Harris's August 2026 forecast shows daily high temperatures ranging from 92° to 99°, with overnight lows between 70° and 78°. The average high for August is 96° 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 August weather will actually feel in Northwest Harris. See also: September | October | November.