S
M
T
W
T
F
S
26
66°
41°
27
68°
41°
28
59°
45°
29
66°
41°
30
72°
46°
1
72°
48°
2
68°
48°
3
63°
50°
4
63°
52°
5
59°
50°
6
57°
43°
7
59°
37°
8
64°
45°
9
70°
41°
10
55°
39°
11
55°
36°
12
59°
36°
13
57°
45°
14
55°
41°
15
54°
39°
16
55°
41°
17
59°
46°
18
56°
52°
19
60°
54°
20
61°
54°
21
65°
54°
22
70°
58°
23
70°
55°
24
70°
54°
25
69°
56°
26
70°
55°
27
67°
53°
28
68°
54°
29
66°
55°
30
59°
47°
31
57°
49°
1
57°
47°
2
58°
47°
3
60°
52°
4
60°
54°
5
63°
55°
6
64°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Barnham
Barnham's May 2026 forecast shows daily high temperatures ranging from 56° to 70°, with overnight lows between 46° and 58°. The average high for May is 63° with an average low of 53°. 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 Barnham. See also: June | July | August.
