S
M
T
W
T
F
S
26
73°
46°
27
70°
43°
28
72°
43°
29
59°
45°
30
59°
37°
1
66°
32°
2
75°
43°
3
80°
45°
4
82°
46°
5
76°
46°
6
75°
52°
7
66°
52°
8
74°
43°
9
77°
50°
10
79°
46°
11
79°
55°
12
57°
39°
13
64°
32°
14
64°
36°
15
66°
50°
16
56°
50°
17
67°
48°
18
73°
46°
19
70°
48°
20
77°
48°
21
75°
54°
22
N/A
23
79°
53°
24
83°
58°
25
85°
57°
26
86°
59°
27
85°
52°
28
76°
51°
29
76°
52°
30
79°
55°
31
77°
56°
1
74°
55°
2
76°
56°
3
75°
55°
4
69°
56°
5
69°
55°
6
70°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Zagreb-dio
Zagreb-dio's May 2026 forecast shows daily high temperatures ranging from 69° to 86°, with overnight lows between 51° and 59°. The average high for May is 77° with an average low of 55°. 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 Zagreb-dio. See also: June | July | August.