S
M
T
W
T
F
S
26
63°
50°
27
68°
46°
28
75°
45°
29
79°
46°
30
79°
46°
1
73°
48°
2
64°
50°
3
66°
52°
4
66°
46°
5
66°
54°
6
77°
54°
7
73°
52°
8
72°
50°
9
79°
48°
10
79°
52°
11
86°
52°
12
73°
52°
13
73°
50°
14
82°
48°
15
77°
50°
16
77°
55°
17
79°
52°
18
86°
55°
19
90°
50°
20
90°
50°
21
90°
48°
22
79°
52°
23
71°
52°
24
72°
52°
25
68°
51°
26
78°
52°
27
82°
52°
28
80°
51°
29
77°
50°
30
83°
49°
31
85°
48°
1
84°
53°
2
84°
53°
3
85°
52°
4
79°
55°
5
72°
51°
6
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sonoma Raceway
Sonoma Raceway's May 2026 forecast shows daily high temperatures ranging from 68° to 85°, with overnight lows between 48° and 55°. The average high for May is 78° with an average low of 51°. 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 Sonoma Raceway. See also: June | July | August.
