S
M
T
W
T
F
S
26
96°
71°
27
97°
72°
28
94°
70°
29
94°
71°
30
91°
70°
1
91°
71°
2
102°
73°
3
103°
74°
4
104°
75°
5
88°
62°
6
96°
66°
7
97°
69°
8
96°
69°
9
93°
66°
10
90°
63°
11
90°
63°
12
93°
64°
13
97°
66°
14
97°
71°
15
96°
68°
16
95°
69°
17
97°
67°
18
96°
67°
19
94°
68°
20
96°
68°
21
95°
67°
22
97°
70°
23
99°
71°
24
100°
71°
25
100°
70°
26
99°
70°
27
101°
71°
28
101°
73°
29
100°
71°
30
102°
72°
31
101°
71°
1
102°
71°
2
102°
72°
3
103°
75°
4
100°
75°
5
104°
75°
6
103°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Islamabad
Islamabad's May 2026 forecast shows daily high temperatures ranging from 88° to 104°, with overnight lows between 62° and 77°. The average high for May is 97° with an average low of 70°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Islamabad. See also: June | July | August.