S
M
T
W
T
F
S
26
37°
18°
27
45°
19°
28
50°
16°
29
50°
16°
30
54°
21°
1
68°
27°
2
68°
36°
3
77°
39°
4
45°
36°
5
46°
23°
6
54°
21°
7
61°
21°
8
72°
36°
9
61°
27°
10
66°
25°
11
82°
48°
12
75°
43°
13
82°
43°
14
66°
55°
15
66°
37°
16
63°
25°
17
48°
37°
18
43°
34°
19
59°
30°
20
70°
43°
21
57°
43°
22
61°
46°
23
68°
43°
24
84°
46°
25
90°
48°
26
93°
50°
27
91°
55°
28
91°
66°
29
85°
61°
30
76°
60°
31
75°
53°
1
68°
51°
2
76°
51°
3
73°
49°
4
68°
49°
5
69°
51°
6
80°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Westby
Westby's May 2026 forecast shows daily high temperatures ranging from 68° to 85°, with overnight lows between 49° and 61°. The average high for May is 74° with an average low of 53°. 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 Westby. See also: June | July | August.
