15.01
thu
thu
Day
36°F
E 16 mph
Precip.
0%
0%
Night
25°F
E 16 mph
Precip.
0%
0%
16.01
fri
fri
Day
34°F
E 11 mph
Precip.
0%
0%
Night
30°F
N 10 mph
Precip.
0%
0%
17.01
sat
sat
Day
37°F
N 14 mph
Precip.
0%
0%
Night
36°F
E 6 mph
Precip.
0%
0%
18.01
sun
sun
Day
28°F
SE 9 mph
Precip.
100%
100%
Night
25°F
SE 14 mph
Precip.
80%
80%
19.01
mon
mon
Day
25°F
E 14 mph
Precip.
0%
0%
Night
19°F
NE 5 mph
Precip.
0%
0%
20.01
tue
tue
Day
21°F
E 14 mph
Precip.
0%
0%
Night
14°F
E 14 mph
Precip.
0%
0%
21.01
wed
wed
Day
16°F
E 11 mph
Precip.
0%
0%
Night
18°F
N 9 mph
Precip.
29%
29%
22.01
thu
thu
Day
28°F
E 12 mph
Precip.
29%
29%
Night
21°F
SE 5 mph
Precip.
0%
0%
23.01
fri
fri
Day
28°F
N 8 mph
Precip.
0%
0%
Night
36°F
NE 10 mph
Precip.
100%
100%
24.01
sat
sat
Day
45°F
NE 12 mph
Precip.
100%
100%
Night
37°F
SE 14 mph
Precip.
0%
0%
25.01
sun
sun
Day
25°F
SE 16 mph
Precip.
59%
59%
Night
14°F
SE 12 mph
Precip.
0%
0%
26.01
mon
mon
Day
18°F
SE 13 mph
Precip.
0%
0%
Night
21°F
E 2 mph
Precip.
0%
0%
27.01
tue
tue
Day
32°F
NE 10 mph
Precip.
0%
0%
Night
32°F
N 6 mph
Precip.
0%
0%
28.01
wed
wed
Day
34°F
N 3 mph
Precip.
100%
100%
Night
36°F
SE 4 mph
Precip.
100%
100%
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 January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 36.5°F. The highest and lowest sea temperatures during the month were 37.6°F and 35.2°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: 20:14
January 15, thursday
2100
25°F
E
15 mph
15 mph
January 16, friday
0000
25°F
E
16 mph
16 mph
0300
23°F
E
17 mph
17 mph
0600
23°F
E
16 mph
16 mph
0900
27°F
E
12 mph
12 mph
1200
34°F
E
11 mph
11 mph
1500
36°F
NE
11 mph
11 mph
1800
34°F
N
7 mph
7 mph
