Measurements:
°C
°F
CURRENT WEATHER
06:40
Newport Beach
72°F
NW 9 mph
Feels like: 72°F
Precip: 7%
World Resorts USA Newport Beach Weather

7 Day Weather Forecast

09.15
tue
DAY
80°F
N 11 mph
precip
2%
NIGHT
72°F
N 5 mph
precip
7%
09.16
wed
DAY
78°F
NE 9 mph
precip
3%
NIGHT
72°F
NE 5 mph
precip
7%
09.17
thu
DAY
76°F
NE 8 mph
precip
3%
NIGHT
72°F
N 5 mph
precip
6%
09.18
fri
DAY
78°F
NE 7 mph
precip
2%
NIGHT
72°F
N 5 mph
precip
6%
09.19
sat
DAY
78°F
NE 7 mph
precip
3%
NIGHT
72°F
NE 5 mph
precip
8%
09.20
sun
DAY
80°F
N 7 mph
precip
3%
NIGHT
74°F
NE 7 mph
precip
22%
09.21
mon
DAY
76°F
NE 7 mph
precip
15%
NIGHT
72°F
NE 4 mph
precip
21%

Newport Beach Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Newport Beach was 23.3°F. The maximum and minimum values were 22.3°F and 25.0°F respectively.

Newport Beach on the Weather Map

Best Time to Visit Newport Beach
The most sunny months:
July 23 days
August 23 days
October 22 days
The most warm months:
August 82.9 °F
September 81.1 °F
July 80.2 °F
Warmest sea temperature:
August 72.1 °F
September 70.8 °F
July 70.1 °F
The most cold months:
January 65.4 °F
December 65.4 °F
March 65.6 °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
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