S
M
T
W
T
F
S
26
44°
37°
27
45°
36°
28
46°
37°
29
46°
35°
30
47°
26°
1
43°
36°
2
46°
37°
3
43°
36°
4
51°
41°
5
44°
38°
6
42°
37°
7
45°
39°
8
52°
39°
9
49°
46°
10
49°
40°
11
50°
34°
12
51°
36°
13
52°
35°
14
53°
34°
15
56°
33°
16
53°
34°
17
56°
33°
18
60°
35°
19
57°
34°
20
51°
31°
21
52°
32°
22
52°
31°
23
53°
31°
24
52°
32°
25
53°
32°
26
53°
31°
27
54°
32°
28
53°
32°
29
53°
33°
30
54°
34°
31
53°
34°
1
54°
35°
2
55°
34°
3
57°
35°
4
56°
34°
5
56°
36°
6
57°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Katalla
Katalla's May 2026 forecast shows daily high temperatures ranging from 42° to 60°, with overnight lows between 31° and 46°. The average high for May is 53° with an average low of 34°. 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 Katalla. See also: June | July | August.