23.12
tue
tue
Day

37°F
N 7 mph
Precip.
100%
100%
Night

37°F
E 6 mph
Precip.
0%
0%
24.12
wed
wed
Day

45°F
SE 14 mph
Precip.
0%
0%
Night

34°F
SW 2 mph
Precip.
0%
0%
25.12
thu
thu
Day

36°F
NE 9 mph
Precip.
100%
100%
Night

32°F
S 11 mph
Precip.
0%
0%
26.12
fri
fri
Day

28°F
SW 6 mph
Precip.
0%
0%
Night

28°F
W 10 mph
Precip.
100%
100%
27.12
sat
sat
Day

34°F
SW 9 mph
Precip.
100%
100%
Night

30°F
SW 5 mph
Precip.
0%
0%
28.12
sun
sun
Day

36°F
NW 6 mph
Precip.
22%
22%
Night

37°F
E 11 mph
Precip.
67%
67%
29.12
mon
mon
Day

25°F
E 15 mph
Precip.
86%
86%
Night

21°F
E 17 mph
Precip.
0%
0%
30.12
tue
tue
Day

27°F
E 16 mph
Precip.
26%
26%
Night

27°F
SE 14 mph
Precip.
0%
0%
31.12
wed
wed
Day

28°F
SE 11 mph
Precip.
0%
0%
Night

25°F
SE 5 mph
Precip.
0%
0%
01.01
thu
thu
Day

32°F
E 8 mph
Precip.
0%
0%
Night

32°F
NE 7 mph
Precip.
0%
0%
02.01
fri
fri
Day

41°F
E 6 mph
Precip.
0%
0%
Night

34°F
E 4 mph
Precip.
0%
0%
03.01
sat
sat
Day

43°F
N 4 mph
Precip.
0%
0%
Night

37°F
NE 5 mph
Precip.
0%
0%
04.01
sun
sun
Day

48°F
NE 8 mph
Precip.
0%
0%
Night

46°F
SE 12 mph
Precip.
0%
0%
05.01
mon
mon
Day

36°F
S 12 mph
Precip.
0%
0%
Night

32°F
SW 4 mph
Precip.
0%
0%
sea water
temperature
temperature
| New Castle |
monthly
weather
weather
| New Castle |
current
weather
weather
| New Castle |
7 days
forecast
forecast
| New Castle |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 41.6°F. The highest and lowest sea temperatures during the month were 46.9°F and 37.4°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 35.4°F. The highest and lowest sea temperatures during the month were 41.7°F and 31.8°F.
Air temperature in New Castle, °F
Precipitation total in New Castle, in.
* Charts above show average data for the last 3 years.
Best time for vacation in New Castle
New Castle on a weather map
Places in USA:
Name
°F
24 Hours Forecast
New Castle
Local time: 23:09
December 24, wednesday
0000

37°F
E
6 mph
6 mph
0300

36°F
E
7 mph
7 mph
0600

36°F
SE
14 mph
14 mph
0900

37°F
SE
14 mph
14 mph
1200

45°F
SE
14 mph
14 mph
1500

45°F
SE
12 mph
12 mph
1800

39°F
SE
6 mph
6 mph
2100

36°F
S
4 mph
4 mph



























