S
M
T
W
T
F
S
26
56°
39°
27
57°
40°
28
59°
42°
29
60°
45°
30
59°
46°
1
61°
46°
2
61°
45°
3
60°
46°
4
59°
45°
5
59°
45°
6
61°
43°
7
59°
46°
8
62°
44°
9
62°
45°
10
61°
47°
11
62°
44°
12
62°
42°
13
63°
46°
14
61°
45°
15
63°
48°
16
61°
47°
17
63°
49°
18
62°
49°
19
62°
48°
20
61°
49°
21
63°
49°
22
59°
48°
23
59°
49°
24
60°
48°
25
59°
48°
26
60°
45°
27
61°
45°
28
65°
49°
29
62°
45°
30
62°
46°
31
63°
46°
1
62°
45°
2
64°
47°
3
66°
50°
4
66°
50°
5
68°
48°
6
69°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Romsey
Romsey's May 2026 forecast shows daily high temperatures ranging from 56° to 69°, with overnight lows between 39° and 50°. The average high for May is 62° 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 Romsey. See also: June | July | August.