World Resorts USA Newport Beach Weather

Newport Beach weather in August

Weather in Newport Beach: August

Average day temperature: 79.0°F
Average night temperature: 69.6°F
Sea water temperature: 69.3°F
Number of sunny days: 24 days
Day length: 12.9 - 13.8 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 80°F. At the same time the lowest night temperature was 64°F. Daily and nightly averages during August were 74.6°F and 66.9°F.

Sea water temperature in Newport Beach in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 70.6°F. The highest and lowest sea temperatures during the month were 74.1°F and 64.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Newport Beach in August is 0.1 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 5.7 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 11.2.

Best time for vacation in Newport Beach

Sunniest months:
August 24 days
July 24 days
October 22 days
Warmest months:
August 79.0 °F
September 78.0 °F
July 77.1 °F
Warmest sea temp:
August 69.3 °F
September 68.7 °F
July 67.8 °F
Coldest months:
March 62.7 °F
January 63.1 °F
December 63.5 °F
Rainiest months:
January 2 days
December 2 days
February 1 day
Windiest months:
March 6.7 mph
May 6.7 mph
April 6.4 mph

Newport Beach on a weather map

Newport Beach
+55°F
S 2 mph
Feels like: +55°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+46°F
+5°F
24 Hours Forecast
Newport Beach
Local time: 22:56
December 05, friday
0000
55°F
S
2 mph
0300
52°F
S
3 mph
0600
48°F
SW
1 mph
0900
52°F
NW
1 mph
1200
66°F
NE
3 mph
1500
70°F
NE
5 mph
1800
64°F
NE
5 mph
2100
61°F
NE
3 mph
Units of measurement: °C / °F