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
42°
40°
4
47°
39°
5
44°
39°
6
43°
35°
7
43°
36°
8
49°
34°
9
47°
36°
10
45°
34°
11
44°
33°
12
54°
33°
13
52°
35°
14
55°
34°
15
57°
36°
16
56°
33°
17
50°
31°
18
51°
30°
19
51°
31°
20
52°
31°
21
52°
32°
22
53°
33°
23
51°
33°
24
52°
34°
25
51°
34°
26
52°
35°
27
53°
34°
28
53°
34°
29
54°
33°
30
55°
34°
31
54°
33°
1
55°
34°
2
54°
35°
3
55°
35°
4
55°
34°
5
56°
34°
6
56°
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 57°, with overnight lows between 30° and 40°. The average high for May is 51° 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.