Measurements:
°C
°F
New Castle
50°F
NW 12 mph
Feels like: 46°F
Precip: 0%
World Resorts USA New Castle Weather

7 Day Weather Forecast

12.31
tue
DAY
42°F
NW 9 mph
precip
0%
NIGHT
48°F
N 4 mph
precip
0%
01.01
wed
DAY
46°F
E 19 mph
precip
0%
NIGHT
34°F
E 17 mph
precip
0%
01.02
thu
DAY
40°F
E 17 mph
precip
0%
NIGHT
28°F
E 11 mph
precip
0%
01.03
fri
DAY
30°F
E 10 mph
precip
0%
NIGHT
28°F
SE 12 mph
precip
0%
01.04
sat
DAY
28°F
E 17 mph
precip
0%
NIGHT
24°F
E 14 mph
precip
0%
01.05
sun
DAY
26°F
E 16 mph
precip
0%
NIGHT
24°F
E 14 mph
precip
0%
01.06
mon
DAY
28°F
SE 12 mph
precip
0%
NIGHT
26°F
SE 11 mph
precip
0%

New Castle Sea Water Temperature in January, °F

Select Year: 2024 2023 2022

The average sea surface temperature in January 2024 for New Castle was 4.5°F. The maximum and minimum values were 2.0°F and 6.6°F respectively.

New Castle on the Weather Map

Best Time to Visit New Castle
The most sunny months:
November 16 days
September 15 days
October 15 days
The most warm months:
July 88.8 °F
August 86.1 °F
June 82.5 °F
Warmest sea temperature:
July 84.2 °F
August 83.4 °F
September 77.4 °F
The most cold months:
January 39.1 °F
February 42.1 °F
December 43.2 °F
The most rainy months:
July 4 days
August 4 days
March 3 days
The most windy months:
March 9 mph
April 8 mph
February 8 mph