S
M
T
W
T
F
S
26
56°
41°
27
53°
41°
28
53°
36°
29
61°
33°
30
55°
39°
1
59°
31°
2
74°
46°
3
73°
50°
4
76°
40°
5
57°
34°
6
57°
37°
7
67°
41°
8
75°
47°
9
76°
49°
10
71°
46°
11
73°
50°
12
74°
50°
13
73°
47°
14
74°
48°
15
67°
50°
16
68°
53°
17
69°
52°
18
76°
54°
19
78°
55°
20
77°
55°
21
70°
47°
22
68°
46°
23
69°
46°
24
69°
47°
25
70°
51°
26
69°
50°
27
69°
52°
28
70°
48°
29
73°
58°
30
82°
53°
31
73°
59°
1
83°
60°
2
78°
60°
3
75°
59°
4
77°
60°
5
76°
60°
6
75°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Running Water
Running Water's May 2026 forecast shows daily high temperatures ranging from 57° to 83°, with overnight lows between 31° and 60°. The average high for May is 72° with an average low of 50°. 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 Running Water. See also: June | July | August.