S
M
T
W
T
F
S
1
70°
62°
2
71°
64°
3
70°
63°
4
71°
62°
5
72°
57°
6
66°
53°
7
66°
59°
8
65°
53°
9
64°
52°
10
64°
51°
11
65°
51°
12
65°
52°
13
66°
53°
14
64°
56°
15
64°
59°
16
65°
56°
17
63°
51°
18
64°
51°
19
63°
55°
20
62°
52°
21
63°
49°
22
62°
49°
23
62°
53°
24
61°
49°
25
61°
48°
26
62°
48°
27
61°
49°
28
62°
51°
29
66°
55°
30
62°
50°
1
61°
48°
2
62°
49°
3
61°
48°
4
61°
55°
5
61°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
November Weather in Costa Mesa
Costa Mesa's November 2026 forecast shows daily high temperatures ranging from 61° to 72°, with overnight lows between 48° and 64°. The average high for November is 64° 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 November weather will actually feel in Costa Mesa. See also: December | January | February.
