S
M
T
W
T
F
S
26
54°
38°
27
58°
41°
28
62°
43°
29
64°
44°
30
65°
45°
1
65°
41°
2
57°
42°
3
58°
45°
4
59°
42°
5
59°
42°
6
60°
41°
7
60°
40°
8
61°
40°
9
62°
41°
10
64°
46°
11
62°
49°
12
65°
49°
13
64°
48°
14
63°
46°
15
63°
46°
16
62°
47°
17
66°
44°
18
65°
43°
19
64°
44°
20
69°
48°
21
70°
48°
22
71°
51°
23
73°
53°
24
73°
54°
25
72°
54°
26
72°
53°
27
73°
54°
28
73°
54°
29
72°
51°
30
66°
47°
31
69°
49°
1
71°
48°
2
68°
46°
3
67°
45°
4
68°
44°
5
68°
45°
6
69°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Prague 21
Prague 21's May 2026 forecast shows daily high temperatures ranging from 54° to 73°, with overnight lows between 38° and 54°. The average high for May is 65° with an average low of 46°. 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 Prague 21. See also: June | July | August.
