S
M
T
W
T
F
S
26
72°
54°
27
72°
48°
28
57°
45°
29
59°
39°
30
55°
36°
1
57°
36°
2
N/A
3
73°
47°
4
78°
45°
5
59°
41°
6
57°
38°
7
60°
40°
8
62°
45°
9
69°
46°
10
68°
48°
11
70°
49°
12
75°
53°
13
77°
54°
14
74°
50°
15
71°
51°
16
74°
56°
17
75°
55°
18
75°
55°
19
76°
51°
20
72°
55°
21
69°
48°
22
66°
47°
23
67°
48°
24
68°
48°
25
67°
49°
26
68°
49°
27
68°
50°
28
70°
52°
29
70°
58°
30
76°
60°
31
72°
54°
1
72°
54°
2
76°
57°
3
77°
61°
4
80°
61°
5
80°
63°
6
77°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Runnells
Runnells's May 2026 forecast shows daily high temperatures ranging from 57° to 80°, with overnight lows between 38° and 63°. The average high for May is 71° with an average low of 51°. 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 Runnells. See also: June | July | August.