S
M
T
W
T
F
S
26
63°
36°
27
71°
39°
28
71°
41°
29
68°
36°
30
62°
32°
1
61°
31°
2
65°
37°
3
72°
42°
4
73°
43°
5
72°
36°
6
63°
33°
7
65°
41°
8
64°
34°
9
64°
34°
10
68°
37°
11
73°
39°
12
75°
43°
13
76°
45°
14
74°
42°
15
76°
45°
16
77°
46°
17
68°
37°
18
67°
36°
19
67°
40°
20
68°
40°
21
68°
41°
22
67°
38°
23
68°
41°
24
69°
40°
25
68°
38°
26
67°
38°
27
69°
39°
28
71°
39°
29
81°
49°
30
82°
42°
31
71°
43°
1
76°
47°
2
78°
46°
3
81°
45°
4
82°
42°
5
82°
42°
6
81°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ballard
Ballard's May 2026 forecast shows daily high temperatures ranging from 61° to 82°, with overnight lows between 31° and 49°. The average high for May is 71° with an average low of 40°. 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 Ballard. See also: June | July | August.