S
M
T
W
T
F
S
26
64°
51°
27
69°
51°
28
68°
49°
29
71°
52°
30
72°
52°
1
72°
51°
2
73°
53°
3
74°
53°
4
74°
54°
5
75°
55°
6
75°
55°
7
74°
54°
8
74°
55°
9
73°
55°
10
75°
56°
11
75°
56°
12
74°
57°
13
75°
57°
14
76°
56°
15
72°
55°
16
69°
51°
17
72°
49°
18
67°
49°
19
68°
50°
20
68°
50°
21
69°
51°
22
69°
50°
23
70°
57°
24
72°
55°
25
74°
51°
26
73°
50°
27
73°
51°
28
74°
52°
29
76°
55°
30
79°
56°
31
75°
55°
1
78°
55°
2
78°
57°
3
79°
60°
4
80°
56°
5
80°
60°
6
82°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bucharest
Bucharest's May 2026 forecast shows daily high temperatures ranging from 64° to 82°, with overnight lows between 49° and 60°. The average high for May is 73° with an average low of 54°. 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 Bucharest. See also: June | July | August.