Current sea water temperature:
+61.2°F
| Minimum sea water temperature in October: | 72.9°F |
| Maximum sea water temperature in October: | 58.3°F |
| Average sea water temperature in October: | 65.2°F |
| more information | |
14 days
forecast
forecast
| New Castle |
monthly
weather
weather
| New Castle |
Sea water temperature for the last 10 days:
| October 28 | 61.2°F | October 23 | 63.1°F |
| October 27 | 60.8°F | October 22 | 63.9°F |
| October 26 | 61.2°F | October 21 | 63.9°F |
| October 25 | 62.1°F | October 20 | 63.5°F |
| October 24 | 62.4°F | October 19 | 64.0°F |
Monthly sea water temperature, °F
When is the warmest sea in New Castle?
Based on the data about daily sea water temperature for the last three years the warmest sea in New Castle was noticed in July, August and September.
Monthly Sea Temperatures in New Castle, °F
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 80.1°F. The highest and lowest sea temperatures during the month were 82.0°F and 76.1°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 80.5°F. The highest and lowest sea temperatures during the month were 82.6°F and 78.8°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 75.7°F. The highest and lowest sea temperatures during the month were 79.9°F and 67.8°F.
current
weather
weather
| New Castle |
weather in
November
November
| New Castle |
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: 12:30
October 29, thursday
1500
70°F
NE
6 mph
6 mph
1800
63°F
NE
5 mph
5 mph
2100
59°F
NE
5 mph
5 mph
October 30, friday
0000
57°F
NE
5 mph
5 mph
0300
55°F
NE
6 mph
6 mph
0600
55°F
E
6 mph
6 mph
0900
59°F
E
6 mph
6 mph
1200
68°F
SE
11 mph
11 mph
