S
M
T
W
T
F
S
26
61°
45°
27
65°
48°
28
71°
49°
29
67°
38°
30
68°
40°
1
67°
43°
2
67°
46°
3
70°
50°
4
72°
51°
5
67°
41°
6
67°
47°
7
66°
48°
8
68°
48°
9
68°
47°
10
69°
45°
11
68°
45°
12
63°
43°
13
63°
42°
14
64°
42°
15
69°
49°
16
64°
46°
17
64°
44°
18
65°
46°
19
68°
47°
20
68°
50°
21
69°
47°
22
66°
50°
23
65°
51°
24
71°
46°
25
69°
50°
26
69°
49°
27
71°
52°
28
66°
51°
29
67°
52°
30
71°
53°
31
68°
54°
1
72°
50°
2
72°
51°
3
70°
52°
4
67°
51°
5
70°
51°
6
69°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kawaguchi
Kawaguchi's May 2026 forecast shows daily high temperatures ranging from 61° to 72°, with overnight lows between 38° and 54°. The average high for May is 68° 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 Kawaguchi. See also: June | July | August.
