S
M
T
W
T
F
S
26
62°
48°
27
65°
46°
28
72°
42°
29
70°
44°
30
76°
44°
1
77°
46°
2
70°
50°
3
66°
53°
4
65°
45°
5
65°
53°
6
73°
55°
7
74°
52°
8
74°
52°
9
79°
48°
10
78°
51°
11
85°
50°
12
83°
51°
13
83°
52°
14
82°
47°
15
78°
45°
16
72°
53°
17
75°
50°
18
85°
59°
19
88°
50°
20
94°
50°
21
89°
49°
22
75°
48°
23
79°
56°
24
69°
53°
25
63°
48°
26
72°
45°
27
78°
51°
28
71°
54°
29
72°
49°
30
81°
49°
31
87°
52°
1
87°
53°
2
83°
54°
3
84°
53°
4
83°
56°
5
81°
55°
6
83°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glen Ellen
Glen Ellen's May 2026 forecast shows daily high temperatures ranging from 63° to 87°, with overnight lows between 45° and 56°. The average high for May is 79° 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 Glen Ellen. See also: June | July | August.
