S
M
T
W
T
F
S
26
55°
41°
27
52°
40°
28
55°
41°
29
53°
42°
30
54°
41°
1
55°
45°
2
56°
42°
3
55°
38°
4
55°
39°
5
56°
38°
6
56°
38°
7
58°
42°
8
58°
47°
9
61°
46°
10
62°
42°
11
58°
40°
12
58°
41°
13
56°
41°
14
58°
44°
15
59°
42°
16
60°
43°
17
60°
43°
18
61°
48°
19
62°
44°
20
61°
45°
21
63°
47°
22
65°
48°
23
64°
51°
24
64°
52°
25
70°
52°
26
69°
51°
27
64°
52°
28
72°
54°
29
74°
48°
30
68°
48°
31
65°
50°
1
64°
49°
2
67°
48°
3
69°
54°
4
75°
54°
5
75°
55°
6
74°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lynn
Lynn's May 2026 forecast shows daily high temperatures ranging from 52° to 75°, with overnight lows between 38° and 55°. The average high for May is 62° with an average low of 46°. 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 Lynn. See also: June | July | August.