S
M
T
W
T
F
S
29
76°
40°
30
81°
59°
31
83°
63°
1
84°
64°
2
80°
64°
3
86°
66°
4
85°
62°
5
67°
51°
6
71°
44°
7
79°
42°
8
78°
48°
9
78°
55°
10
80°
49°
11
83°
49°
12
84°
53°
13
82°
59°
14
83°
58°
15
83°
58°
16
86°
65°
17
87°
60°
18
81°
50°
19
70°
45°
20
78°
40°
21
81°
44°
22
82°
51°
23
83°
56°
24
79°
56°
25
82°
62°
26
84°
62°
27
88°
67°
28
77°
67°
29
83°
64°
30
73°
56°
1
66°
54°
2
68°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Vienna
Vienna's April 2026 forecast shows daily high temperatures ranging from 66° to 73°, with overnight lows between 44° and 56°. The average high for April is 69° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Vienna. See also: May | June | July.