World Resorts

USA

Newport Beach Weather

Newport Beach 14 Days Forecast

17.09
thu

Day

75°F

E 9 mph

Precip.
2%

Night

70°F

NE 5 mph

Precip.
7%

18.09
fri

Day

75°F

NE 7 mph

Precip.
3%

Night

70°F

N 6 mph

Precip.
5%

19.09
sat

Day

77°F

NE 7 mph

Precip.
2%

Night

72°F

NE 6 mph

Precip.
20%

20.09
sun

Day

75°F

NE 8 mph

Precip.
3%

Night

70°F

N 7 mph

Precip.
11%

21.09
mon

Day

73°F

N 10 mph

Precip.
4%

Night

70°F

N 6 mph

Precip.
7%

22.09
tue

Day

73°F

NE 7 mph

Precip.
4%

Night

70°F

NE 4 mph

Precip.
7%

23.09
wed

Day

75°F

NE 7 mph

Precip.
4%

Night

72°F

N 4 mph

Precip.
8%

24.09
thu

Day

77°F

NE 6 mph

Precip.
7%

Night

72°F

NE 4 mph

Precip.
8%

25.09
fri

Day

77°F

NE 7 mph

Precip.
3%

Night

73°F

NE 4 mph

Precip.
5%

26.09
sat

Day

81°F

E 9 mph

Precip.
3%

Night

75°F

E 4 mph

Precip.
7%

27.09
sun

Day

82°F

E 8 mph

Precip.
3%

Night

75°F

E 6 mph

Precip.
28%

28.09
mon

Day

75°F

N 7 mph

Precip.
15%

Night

75°F

E 4 mph

Precip.
13%

29.09
tue

Day

82°F

E 5 mph

Precip.
5%

Night

81°F

SE 3 mph

Precip.
13%

sea water
temperature

Newport Beach

monthly
weather

Newport Beach

current
weather

Newport Beach

7 days
forecast

Newport Beach

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in September of 2026 was 73.9°F. The highest and lowest sea temperatures during the month were 77.0°F and 72.1°F.

Show year:

2025

2024

2023

The average sea water temperature in October of 2025 was 66.2°F. The highest and lowest sea temperatures during the month were 68.0°F and 64.8°F.