S
M
T
W
T
F
S
26
97°
70°
27
98°
75°
28
104°
74°
29
104°
75°
30
103°
75°
1
103°
73°
2
104°
74°
3
93°
68°
4
91°
66°
5
88°
62°
6
89°
62°
7
92°
63°
8
95°
69°
9
91°
67°
10
88°
63°
11
89°
63°
12
90°
64°
13
92°
64°
14
92°
65°
15
93°
64°
16
95°
66°
17
97°
67°
18
93°
67°
19
92°
65°
20
93°
66°
21
96°
66°
22
99°
67°
23
100°
70°
24
99°
67°
25
98°
67°
26
99°
68°
27
101°
70°
28
102°
71°
29
102°
74°
30
103°
75°
31
103°
74°
1
101°
76°
2
102°
76°
3
103°
75°
4
104°
74°
5
102°
72°
6
99°
71°
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 76°. The average high for May is 97° 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 May weather will actually feel in Islamabad. See also: June | July | August.