World Resorts

USA

New Castle Weather

New Castle 14 Days Forecast

19.09
sat

Day

72°F

SW 7 mph

Precip.
3%

Night

63°F

W 7 mph

Precip.
13%

20.09
sun

Day

73°F

N 10 mph

Precip.
12%

Night

70°F

SE 4 mph

Precip.
51%

21.09
mon

Day

59°F

SW 9 mph

Precip.
31%

Night

61°F

SW 9 mph

Precip.
45%

22.09
tue

Day

59°F

W 13 mph

Precip.
60%

Night

55°F

SW 15 mph

Precip.
80%

23.09
wed

Day

55°F

SW 14 mph

Precip.
86%

Night

57°F

SW 13 mph

Precip.
23%

24.09
thu

Day

55°F

S 9 mph

Precip.
37%

Night

55°F

NW 7 mph

Precip.
24%

25.09
fri

Day

57°F

SE 7 mph

Precip.
17%

Night

57°F

NW 8 mph

Precip.
20%

26.09
sat

Day

66°F

SW 15 mph

Precip.
4%

Night

59°F

SW 15 mph

Precip.
16%

27.09
sun

Day

54°F

SW 15 mph

Precip.
74%

Night

57°F

SW 15 mph

Precip.
32%

28.09
mon

Day

63°F

SW 11 mph

Precip.
29%

Night

63°F

W 7 mph

Precip.
56%

29.09
tue

Day

70°F

NE 6 mph

Precip.
16%

Night

64°F

NW 4 mph

Precip.
33%

30.09
wed

Day

75°F

NW 9 mph

Precip.
57%

Night

64°F

E 6 mph

Precip.
63%

01.10
thu

Day

70°F

SE 9 mph

Precip.
4%

Night

63°F

SE 8 mph

Precip.
8%

02.10
fri

Day

61°F

S 11 mph

Precip.
2%

Night

57°F

S 6 mph

Precip.
17%

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 September of 2026 was 78.0°F. The highest and lowest sea temperatures during the month were 79.9°F and 75.7°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 72.9°F and 58.3°F.