S
M
T
W
T
F
S
26
69°
39°
27
58°
47°
28
58°
47°
29
65°
47°
30
74°
49°
1
72°
50°
2
72°
57°
3
80°
53°
4
79°
52°
5
77°
51°
6
74°
53°
7
72°
52°
8
73°
51°
9
71°
54°
10
68°
52°
11
67°
51°
12
67°
52°
13
66°
49°
14
64°
48°
15
69°
50°
16
66°
51°
17
63°
51°
18
62°
52°
19
65°
50°
20
65°
53°
21
63°
52°
22
63°
48°
23
68°
50°
24
72°
54°
25
73°
55°
26
73°
55°
27
68°
53°
28
69°
51°
29
69°
54°
30
72°
56°
31
68°
55°
1
65°
55°
2
67°
53°
3
68°
54°
4
65°
53°
5
66°
53°
6
71°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Baker
Mount Baker's May 2026 forecast shows daily high temperatures ranging from 62° to 80°, with overnight lows between 48° and 57°. The average high for May is 69° 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 Mount Baker. See also: June | July | August.
