Measurements:
°C
°F
Irvine
98°F
E 9 mph
Feels like: 96°F
Precip: 0%
World Resorts USA Irvine Weather

7 Day Weather Forecast

10.05
mon
DAY
104°F
E 6 mph
precip
0%
NIGHT
86°F
NW 4 mph
precip
1%
10.06
tue
DAY
102°F
E 6 mph
precip
0%
NIGHT
82°F
N 2 mph
precip
1%
10.07
wed
DAY
100°F
E 6 mph
precip
0%
NIGHT
80°F
E 1 mph
precip
1%
10.08
thu
DAY
96°F
E 6 mph
precip
0%
NIGHT
78°F
NE 1 mph
precip
1%
10.09
fri
DAY
94°F
E 7 mph
precip
0%
NIGHT
78°F
E 1 mph
precip
1%
10.10
sat
DAY
92°F
E 7 mph
precip
1%
NIGHT
78°F
NE 4 mph
precip
12%
10.11
sun
DAY
84°F
NE 9 mph
precip
1%
NIGHT
70°F
N 8 mph
precip
8%

Irvine Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Irvine was 18.9°F. The maximum and minimum values were 18.0°F and 19.9°F respectively.

Irvine on the Weather Map

Best Time to Visit Irvine
The most sunny months:
August 25 days
October 24 days
July 24 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