S
M
T
W
T
F
S
28
75°
66°
29
75°
65°
30
77°
64°
1
79°
66°
2
78°
66°
3
80°
68°
4
81°
69°
5
82°
68°
6
80°
66°
7
74°
63°
8
74°
63°
9
75°
64°
10
77°
66°
11
80°
67°
12
81°
69°
13
81°
69°
14
80°
68°
15
82°
69°
16
81°
69°
17
81°
68°
18
80°
69°
19
81°
69°
20
81°
68°
21
80°
69°
22
81°
69°
23
82°
68°
24
82°
69°
25
81°
69°
26
81°
70°
27
82°
69°
28
83°
68°
29
78°
67°
30
80°
68°
31
83°
67°
1
82°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Irvine
Irvine's July 2026 forecast shows daily high temperatures ranging from 74° to 83°, with overnight lows between 63° and 70°. The average high for July is 80° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Irvine. See also: August | September | October.
