S
M
T
W
T
F
S
26
63°
49°
27
66°
46°
28
70°
44°
29
72°
48°
30
73°
45°
1
71°
47°
2
60°
51°
3
65°
52°
4
63°
46°
5
66°
51°
6
71°
53°
7
70°
49°
8
69°
49°
9
73°
46°
10
75°
50°
11
76°
47°
12
67°
50°
13
78°
45°
14
80°
48°
15
86°
49°
16
77°
49°
17
82°
51°
18
88°
50°
19
88°
49°
20
80°
50°
21
76°
51°
22
78°
49°
23
76°
49°
24
78°
46°
25
78°
48°
26
77°
47°
27
71°
47°
28
72°
45°
29
72°
44°
30
73°
44°
31
76°
47°
1
77°
48°
2
80°
50°
3
81°
48°
4
73°
46°
5
76°
48°
6
80°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sebastopol
Sebastopol's May 2026 forecast shows daily high temperatures ranging from 71° to 88°, with overnight lows between 44° and 51°. The average high for May is 78° with an average low of 48°. 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 Sebastopol. See also: June | July | August.
