S
M
T
W
T
F
S
26
90°
77°
27
90°
78°
28
91°
78°
29
92°
77°
30
91°
77°
31
92°
78°
1
92°
79°
2
94°
78°
3
96°
75°
4
96°
74°
5
94°
74°
6
94°
75°
7
96°
76°
8
97°
75°
9
96°
76°
10
97°
75°
11
96°
74°
12
94°
74°
13
94°
75°
14
96°
76°
15
97°
75°
16
97°
75°
17
95°
74°
18
96°
75°
19
93°
74°
20
92°
75°
21
94°
75°
22
96°
74°
23
97°
73°
24
96°
74°
25
95°
69°
26
93°
72°
27
92°
73°
28
94°
74°
29
93°
70°
30
95°
69°
31
93°
71°
1
92°
70°
2
93°
71°
3
92°
71°
4
92°
72°
5
92°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Islamabad
Islamabad's August 2026 forecast shows daily high temperatures ranging from 90° to 97°, with overnight lows between 69° and 79°. The average high for August is 94° 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 Islamabad. See also: September | October | November.