S
M
T
W
T
F
S
26
80°
71°
27
79°
71°
28
80°
70°
29
80°
71°
30
79°
71°
1
79°
72°
2
80°
71°
3
79°
72°
4
79°
72°
5
80°
71°
6
79°
72°
7
79°
72°
8
80°
71°
9
79°
72°
10
79°
72°
11
80°
72°
12
79°
73°
13
79°
72°
14
80°
73°
15
79°
73°
16
79°
72°
17
80°
72°
18
82°
72°
19
83°
72°
20
83°
71°
21
82°
72°
22
84°
72°
23
83°
71°
24
84°
72°
25
84°
71°
26
83°
70°
27
81°
70°
28
82°
71°
29
81°
71°
30
82°
72°
31
83°
71°
1
84°
73°
2
83°
72°
3
84°
73°
4
84°
71°
5
83°
72°
6
83°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Runaway Bay
Runaway Bay's May 2026 forecast shows daily high temperatures ranging from 79° to 84°, with overnight lows between 70° and 73°. The average high for May is 81° with an average low of 72°. 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 Runaway Bay. See also: June | July | August.