S
M
T
W
T
F
S
26
58°
28°
27
63°
26°
28
62°
25°
29
55°
36°
30
58°
37°
1
54°
43°
2
60°
38°
3
48°
33°
4
56°
33°
5
76°
34°
6
73°
49°
7
56°
38°
8
59°
36°
9
60°
31°
10
68°
46°
11
58°
47°
12
48°
40°
13
56°
36°
14
69°
43°
15
54°
47°
16
68°
45°
17
73°
47°
18
68°
47°
19
77°
55°
20
87°
50°
21
62°
34°
22
63°
34°
23
64°
42°
24
62°
44°
25
63°
43°
26
62°
44°
27
64°
46°
28
68°
48°
29
66°
46°
30
65°
47°
31
67°
45°
1
64°
42°
2
63°
42°
3
64°
41°
4
65°
46°
5
65°
48°
6
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Onslow Mountain
Onslow Mountain's May 2026 forecast shows daily high temperatures ranging from 62° to 87°, with overnight lows between 34° and 55°. The average high for May is 66° with an average low of 45°. 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 Onslow Mountain. See also: June | July | August.
