World Resorts

USA

New Castle Weather

New Castle 14 Days Forecast

21.07
tue

Day

84°F

N 11 mph

Precip.
10%

Night

70°F

N 7 mph

Precip.
46%

22.07
wed

Day

84°F

E 11 mph

Precip.
20%

Night

68°F

SE 11 mph

Precip.
4%

23.07
thu

Day

73°F

S 9 mph

Precip.
1%

Night

64°F

SE 4 mph

Precip.
4%

24.07
fri

Day

81°F

SW 4 mph

Precip.
1%

Night

66°F

W 4 mph

Precip.
8%

25.07
sat

Day

79°F

W 6 mph

Precip.
1%

Night

66°F

N 2 mph

Precip.
7%

26.07
sun

Day

84°F

SE 1 mph

Precip.
1%

Night

70°F

N 6 mph

Precip.
6%

27.07
mon

Day

84°F

NE 7 mph

Precip.
4%

Night

70°F

E 13 mph

Precip.
27%

28.07
tue

Day

82°F

SE 9 mph

Precip.
6%

Night

70°F

S 6 mph

Precip.
5%

29.07
wed

Day

81°F

S 6 mph

Precip.
2%

Night

68°F

S 1 mph

Precip.
6%

30.07
thu

Day

86°F

W 3 mph

Precip.
1%

Night

70°F

NW 5 mph

Precip.
12%

31.07
fri

Day

82°F

NW 7 mph

Precip.
3%

Night

73°F

N 9 mph

Precip.
7%

01.08
sat

Day

90°F

NE 12 mph

Precip.
3%

Night

79°F

N 2 mph

Precip.
62%

02.08
sun

Day

88°F

W 6 mph

Precip.
1%

Night

79°F

NW 1 mph

Precip.
3%

03.08
mon

Day

91°F

E 7 mph

Precip.
2%

Night

75°F

NE 12 mph

Precip.
32%

sea water
temperature

New Castle

monthly
weather

New Castle

current
weather

New Castle

7 days
forecast

New Castle

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in July of 2026 was 80.2°F. The highest and lowest sea temperatures during the month were 82.0°F and 76.1°F.

Show year:

2025

2024

2023

The average sea water temperature in August of 2025 was 79.6°F. The highest and lowest sea temperatures during the month were 84.0°F and 75.9°F.