Current sea water temperature:
+71.8°F
| Minimum sea water temperature in June: | 80.1°F |
| Maximum sea water temperature in June: | 63.3°F |
| Average sea water temperature in June: | 72.4°F |
| more information | |
14 days
forecast
forecast
| New Castle |
monthly
weather
weather
| New Castle |
Sea water temperature for the last 10 days:
| June 8 | 71.8°F | June 3 | 66.9°F |
| June 7 | 70.3°F | June 1 | 66.6°F |
| June 6 | 68.9°F | May 31 | 66.7°F |
| June 5 | 68.4°F | May 30 | 66.6°F |
| June 4 | 67.8°F | May 29 | 67.6°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:
2025
2024
2023
The average sea water temperature in July of 2025 was 81.2°F. The highest and lowest sea temperatures during the month were 83.7°F and 78.4°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 79.6°F. The highest and lowest sea temperatures during the month were 84.0°F and 75.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 73.5°F. The highest and lowest sea temperatures during the month were 75.7°F and 71.6°F.
current
weather
weather
| New Castle |
weather in
June
June
| 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: 16:09
June 08, monday
1800
77°F
N
12 mph
12 mph
2100
66°F
NW
7 mph
7 mph
June 09, tuesday
0000
59°F
NW
6 mph
6 mph
0300
55°F
N
4 mph
4 mph
0600
57°F
NE
4 mph
4 mph
0900
64°F
NE
6 mph
6 mph
1200
75°F
N
7 mph
7 mph
1500
77°F
N
7 mph
7 mph
