Measurements:
°C
°F
Irvine
72°F
NE 3 mph
Feels like: 72°F
Precip: 3%
World Resorts USA Irvine Weather

7 Day Weather Forecast

10.26
mon
DAY
82°F
NE 6 mph
precip
1%
NIGHT
68°F
N 4 mph
precip
5%
10.27
tue
DAY
78°F
NE 5 mph
precip
1%
NIGHT
68°F
NW 6 mph
precip
17%
10.28
wed
DAY
74°F
NE 4 mph
precip
10%
NIGHT
66°F
N 4 mph
precip
20%
10.29
thu
DAY
72°F
NE 6 mph
precip
13%
NIGHT
66°F
NE 4 mph
precip
29%
10.30
fri
DAY
70°F
NE 7 mph
precip
12%
NIGHT
66°F
NE 3 mph
precip
12%
10.31
sat
DAY
70°F
N 4 mph
precip
23%
NIGHT
64°F
S 2 mph
precip
36%
11.01
sun
DAY
72°F
SE 3 mph
precip
11%
NIGHT
64°F
SW 3 mph
precip
8%

Irvine Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Irvine was 22.6°F. The maximum and minimum values were 21.9°F and 23.3°F respectively.

Irvine on the Weather Map

Best Time to Visit Irvine
The most sunny months:
August 25 days
July 24 days
September 23 days
The most warm months:
August 86.8 °F
September 84.7 °F
July 84.5 °F
Warmest sea temperature:
August 72.3 °F
September 71.7 °F
July 70.4 °F
The most cold months:
January 66.5 °F
December 66.8 °F
March 67.4 °F
The most rainy months:
December 2 days
January 1 day
April 1 day
The most windy months:
May 6 mph
March 6 mph
April 6 mph