S
M
T
W
T
F
S
27
59°
52°
28
61°
46°
29
68°
46°
30
68°
54°
1
63°
48°
2
64°
54°
3
57°
50°
4
64°
52°
5
63°
54°
6
57°
43°
7
55°
39°
8
N/A
9
59°
48°
10
54°
44°
11
55°
46°
12
60°
56°
13
60°
52°
14
57°
51°
15
55°
46°
16
56°
45°
17
55°
48°
18
57°
48°
19
57°
47°
20
56°
48°
21
53°
46°
22
55°
44°
23
51°
41°
24
51°
40°
25
53°
42°
26
52°
44°
27
55°
44°
28
50°
42°
29
50°
42°
30
51°
41°
31
53°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Irvine
Irvine's October 2026 forecast shows daily high temperatures ranging from 50° to 60°, with overnight lows between 40° and 56°. The average high for October is 55° with an average low of 46°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Irvine. See also: November | December | January.
