S
M
T
W
T
F
S
26
66°
40°
27
68°
43°
28
58°
45°
29
64°
44°
30
70°
47°
1
72°
49°
2
67°
46°
3
65°
52°
4
60°
51°
5
62°
45°
6
58°
44°
7
62°
39°
8
65°
46°
9
68°
44°
10
58°
40°
11
55°
32°
12
60°
34°
13
N/A
14
54°
38°
15
57°
37°
16
57°
46°
17
57°
41°
18
61°
48°
19
63°
49°
20
67°
50°
21
72°
52°
22
74°
52°
23
68°
48°
24
68°
49°
25
69°
50°
26
59°
48°
27
59°
44°
28
58°
43°
29
59°
44°
30
60°
46°
31
60°
49°
1
64°
51°
2
67°
51°
3
68°
52°
4
68°
51°
5
67°
51°
6
66°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Bicester
Bicester's May 2026 forecast shows daily high temperatures ranging from 54° to 74°, with overnight lows between 37° and 52°. The average high for May is 63° with an average low of 48°. 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 Bicester. See also: June | July | August.