S
M
T
W
T
F
S
26
62°
49°
27
68°
47°
28
75°
44°
29
78°
46°
30
79°
44°
1
77°
47°
2
67°
51°
3
67°
52°
4
66°
54°
5
68°
52°
6
73°
54°
7
75°
52°
8
75°
53°
9
80°
54°
10
81°
53°
11
83°
53°
12
77°
54°
13
77°
52°
14
75°
53°
15
72°
50°
16
74°
53°
17
76°
54°
18
75°
53°
19
76°
53°
20
77°
54°
21
75°
52°
22
74°
53°
23
76°
54°
24
77°
54°
25
77°
53°
26
76°
52°
27
70°
53°
28
70°
52°
29
71°
53°
30
71°
54°
31
72°
55°
1
74°
54°
2
77°
55°
3
74°
54°
4
71°
53°
5
72°
53°
6
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Novato
Novato's May 2026 forecast shows daily high temperatures ranging from 66° to 83°, with overnight lows between 50° and 55°. The average high for May is 74° with an average low of 53°. 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 Novato. See also: June | July | August.