S
M
T
W
T
F
S
26
57°
37°
27
70°
34°
28
54°
41°
29
55°
46°
30
55°
41°
1
64°
41°
2
56°
34°
3
58°
40°
4
68°
49°
5
77°
53°
6
62°
47°
7
56°
36°
8
55°
36°
9
56°
42°
10
63°
44°
11
62°
45°
12
63°
47°
13
62°
46°
14
65°
45°
15
65°
46°
16
66°
48°
17
66°
47°
18
67°
52°
19
74°
53°
20
73°
52°
21
72°
54°
22
75°
51°
23
72°
52°
24
74°
49°
25
68°
45°
26
69°
52°
27
68°
54°
28
71°
55°
29
75°
55°
30
74°
54°
31
74°
50°
1
70°
48°
2
67°
48°
3
68°
49°
4
70°
48°
5
69°
49°
6
70°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Koonsville
Koonsville's May 2026 forecast shows daily high temperatures ranging from 55° to 77°, with overnight lows between 34° and 55°. The average high for May is 67° with an average low of 48°. 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 Koonsville. See also: June | July | August.