S
M
T
W
T
F
S
26
80°
42°
27
64°
37°
28
70°
34°
29
61°
44°
30
50°
38°
1
58°
33°
2
58°
37°
3
62°
31°
4
73°
38°
5
78°
41°
6
80°
44°
7
80°
45°
8
82°
55°
9
66°
54°
10
73°
53°
11
82°
50°
12
76°
54°
13
62°
49°
14
67°
42°
15
75°
39°
16
82°
44°
17
60°
53°
18
73°
47°
19
77°
49°
20
79°
57°
21
72°
57°
22
74°
58°
23
79°
58°
24
79°
53°
25
84°
53°
26
N/A
27
89°
63°
28
75°
53°
29
75°
51°
30
80°
58°
31
83°
59°
1
81°
60°
2
83°
60°
3
82°
59°
4
80°
59°
5
84°
60°
6
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Bucharest
Bucharest's May 2026 forecast shows daily high temperatures ranging from 75° to 89°, with overnight lows between 51° and 63°. The average high for May is 81° with an average low of 58°. 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.