S
M
T
W
T
F
S
26
67°
43°
27
69°
45°
28
61°
44°
29
54°
42°
30
55°
37°
1
51°
32°
2
51°
26°
3
62°
36°
4
76°
48°
5
57°
45°
6
55°
37°
7
56°
34°
8
65°
34°
9
69°
43°
10
61°
34°
11
61°
39°
12
63°
34°
13
60°
42°
14
66°
40°
15
69°
38°
16
82°
55°
17
85°
55°
18
84°
67°
19
82°
60°
20
65°
50°
21
65°
45°
22
70°
46°
23
58°
53°
24
68°
48°
25
81°
53°
26
82°
58°
27
83°
54°
28
78°
50°
29
76°
49°
30
74°
51°
31
73°
49°
1
74°
52°
2
76°
56°
3
75°
54°
4
74°
55°
5
75°
53°
6
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bellevue
Bellevue's May 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 48° and 58°. The average high for May is 76° with an average low of 52°. 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 Bellevue. See also: June | July | August.
