S
M
T
W
T
F
S
26
70°
48°
27
71°
50°
28
68°
49°
29
63°
47°
30
64°
51°
1
64°
49°
2
63°
44°
3
61°
44°
4
62°
45°
5
64°
47°
6
63°
46°
7
64°
46°
8
65°
47°
9
66°
48°
10
66°
47°
11
64°
46°
12
65°
48°
13
67°
51°
14
68°
50°
15
69°
51°
16
72°
53°
17
73°
55°
18
71°
51°
19
70°
50°
20
70°
51°
21
69°
52°
22
71°
57°
23
74°
56°
24
76°
57°
25
78°
59°
26
79°
59°
27
79°
60°
28
74°
57°
29
77°
58°
30
78°
61°
31
77°
58°
1
74°
57°
2
75°
58°
3
77°
59°
4
78°
56°
5
76°
57°
6
78°
61°
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 61° to 79°, with overnight lows between 44° and 61°. The average high for May is 70° with an average low of 52°. 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.