S
M
T
W
T
F
S
26
66°
37°
27
68°
41°
28
63°
46°
29
63°
46°
30
N/A
1
71°
43°
2
70°
54°
3
64°
46°
4
63°
42°
5
61°
43°
6
58°
40°
7
58°
38°
8
60°
43°
9
63°
46°
10
64°
47°
11
64°
48°
12
67°
49°
13
58°
43°
14
59°
41°
15
61°
48°
16
63°
49°
17
64°
48°
18
64°
48°
19
63°
47°
20
61°
46°
21
62°
45°
22
60°
44°
23
61°
45°
24
63°
45°
25
62°
43°
26
60°
44°
27
62°
49°
28
65°
50°
29
67°
51°
30
66°
45°
31
60°
44°
1
60°
44°
2
61°
45°
3
60°
46°
4
61°
45°
5
61°
45°
6
62°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Coldharbour
Coldharbour's May 2026 forecast shows daily high temperatures ranging from 58° to 71°, with overnight lows between 38° and 54°. 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 Coldharbour. See also: June | July | August.