S
M
T
W
T
F
S
26
71°
29°
27
58°
45°
28
56°
38°
29
70°
35°
30
77°
40°
1
77°
48°
2
78°
48°
3
87°
45°
4
82°
50°
5
74°
46°
6
72°
44°
7
70°
43°
8
64°
46°
9
72°
44°
10
75°
46°
11
71°
45°
12
72°
44°
13
68°
45°
14
66°
43°
15
68°
44°
16
64°
44°
17
62°
45°
18
62°
44°
19
63°
43°
20
63°
45°
21
62°
46°
22
63°
42°
23
68°
44°
24
71°
49°
25
72°
49°
26
72°
47°
27
68°
44°
28
67°
45°
29
69°
48°
30
71°
50°
31
64°
48°
1
63°
47°
2
66°
46°
3
65°
47°
4
64°
44°
5
65°
46°
6
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lacey
Lacey's May 2026 forecast shows daily high temperatures ranging from 62° to 87°, with overnight lows between 42° and 50°. The average high for May is 69° 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 Lacey. See also: June | July | August.
