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

Irvine Sea Water Temperature

Current Sea Water Temperature:
+76.2°F
Maximum Sea Water Temperature in October: 76.4°F
Minimum Sea Water Temperature in October: 61.4°F
Average water temperature in October: 68.5°F

Sea Water Temperature for the Last 10 Days:

October 05 76.2°F September 30 75.2°F
October 04 75.8°F September 29 76.2°F
October 03 76.4°F September 28 75.8°F
October 02 76.0°F September 27 75.6°F
October 01 74.8°F September 26 75.6°F

When is the Warmest Sea for Irvine?

According to our data for the last three years for Irvine the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Irvine was 76.2°F. The maximum and minimum values were 73.0°F and 79.6°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Irvine was 76.4°F. The maximum and minimum values were 74.4°F and 80.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Irvine was 72.6°F. The maximum and minimum values were 68.4°F and 76.4°F respectively.

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

Irvine on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +60
Hawaii +82
Houston +84
Las Vegas +92
Los Angeles +102
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Irvine
Local time: 17:57
05 oct, monday
1800 98°F
E
9 mph
2100 90°F
N
4 mph
06 oct, tuesday
0000 86°F
NW
4 mph
0300 82°F
NW
2 mph
0600 80°F
NW
2 mph
0900 92°F
N
1 mph
1200 102°F
E
6 mph
1500 102°F
E
9 mph