World Resorts

USA

New Castle Weather

New Castle 14 Days Forecast

28.04
tue

Day

61°F

N 8 mph

Precip.
0%

Night

52°F

NW 4 mph

Precip.
0%

29.04
wed

Day

61°F

NW 9 mph

Precip.
0%

Night

54°F

N 9 mph

Precip.
100%

30.04
thu

Day

59°F

SE 14 mph

Precip.
0%

Night

46°F

SE 6 mph

Precip.
0%

01.05
fri

Day

57°F

E 9 mph

Precip.
62%

Night

46°F

SE 6 mph

Precip.
0%

02.05
sat

Day

54°F

SE 9 mph

Precip.
0%

Night

45°F

SE 9 mph

Precip.
0%

03.05
sun

Day

52°F

SE 13 mph

Precip.
0%

Night

46°F

NE 7 mph

Precip.
0%

04.05
mon

Day

57°F

E 14 mph

Precip.
51%

Night

45°F

SE 6 mph

Precip.
0%

05.05
tue

Day

61°F

NE 9 mph

Precip.
0%

Night

57°F

N 12 mph

Precip.
30%

06.05
wed

Day

66°F

NE 8 mph

Precip.
0%

Night

64°F

NE 14 mph

Precip.
0%

07.05
thu

Day

52°F

SE 9 mph

Precip.
100%

Night

46°F

E 7 mph

Precip.
0%

08.05
fri

Day

57°F

E 11 mph

Precip.
76%

Night

46°F

E 5 mph

Precip.
0%

09.05
sat

Day

54°F

E 11 mph

Precip.
100%

Night

46°F

E 5 mph

Precip.
0%

10.05
sun

Day

64°F

NE 14 mph

Precip.
0%

Night

61°F

E 9 mph

Precip.
0%

11.05
mon

Day

54°F

W 4 mph

Precip.
0%

Night

54°F

S 4 mph

Precip.
0%

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 April of 2026 was 55.9°F. The highest and lowest sea temperatures during the month were 61.3°F and 49.5°F.

Show year:

2025

2024

2023

The average sea water temperature in May of 2025 was 62.9°F. The highest and lowest sea temperatures during the month were 65.1°F and 61.0°F.