S
M
T
W
T
F
S
26
62°
29°
27
66°
32°
28
67°
38°
29
73°
40°
30
78°
42°
1
78°
51°
2
80°
48°
3
82°
47°
4
N/A
5
80°
49°
6
80°
49°
7
79°
50°
8
69°
46°
9
69°
44°
10
79°
53°
11
78°
48°
12
71°
46°
13
76°
47°
14
69°
44°
15
71°
44°
16
72°
43°
17
75°
47°
18
78°
45°
19
62°
35°
20
63°
36°
21
65°
36°
22
73°
41°
23
65°
37°
24
74°
40°
25
74°
40°
26
66°
38°
27
67°
38°
28
69°
39°
29
72°
39°
30
75°
42°
31
76°
47°
1
77°
44°
2
76°
43°
3
76°
42°
4
70°
39°
5
70°
39°
6
68°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Lumby
Lumby's May 2026 forecast shows daily high temperatures ranging from 62° to 80°, with overnight lows between 35° and 53°. The average high for May is 72° with an average low of 43°. 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 Lumby. See also: June | July | August.