S
M
T
W
T
F
S
26
71°
29°
27
58°
45°
28
56°
38°
29
70°
35°
30
77°
40°
1
77°
42°
2
75°
44°
3
85°
45°
4
78°
43°
5
64°
47°
6
58°
52°
7
68°
49°
8
62°
44°
9
70°
44°
10
68°
43°
11
74°
43°
12
83°
44°
13
59°
49°
14
60°
47°
15
51°
41°
16
59°
37°
17
64°
32°
18
69°
42°
19
64°
44°
20
69°
46°
21
78°
40°
22
79°
49°
23
69°
44°
24
73°
48°
25
60°
46°
26
63°
45°
27
67°
46°
28
71°
46°
29
68°
41°
30
67°
40°
31
65°
43°
1
73°
44°
2
77°
46°
3
78°
47°
4
81°
56°
5
63°
46°
6
63°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tumwater
Tumwater's May 2026 forecast shows daily high temperatures ranging from 60° to 81°, with overnight lows between 40° and 56°. The average high for May is 70° 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 Tumwater. See also: June | July | August.
