Average sea water temperature in August:
+80.0°F
| Minimum sea water temperature in August: | 86.2°F |
| Maximum sea water temperature in August: | 75.0°F |
Daily 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
temperature
| New Castle |
monthly
weather
weather
| New Castle |
current
weather
weather
| New Castle |
14 days
forecast
forecast
| New Castle |
Monthly sea water temperature in New Castle, °F
Which USA resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Sanibel Island | 88.8°F | 87.3°F |
| Everglades | 88.8°F | 87.0°F |
| Islamorada | 88.8°F | 87.3°F |
| Key West | 88.8°F | 87.8°F |
| Cape Coral | 88.7°F | 86.8°F |
| Key Largo | 88.7°F | 87.3°F |
| Marco Island | 88.7°F | 87.1°F |
| Naples | 88.7°F | 87.0°F |
| St. Petersburg | 88.7°F | 86.9°F |
| Tampa | 88.6°F | 86.4°F |
| Sarasota | 88.6°F | 87.2°F |
| Siesta Key | 88.6°F | 87.3°F |
| Clearwater Beach | 88.5°F | 87.0°F |
| Miami | 88.1°F | 86.4°F |
| Miami Beach | 87.9°F | 86.5°F |
| Galveston | 87.9°F | 88.3°F |
| Galveston Island | 87.8°F | 88.5°F |
| Houston | 87.8°F | 88.0°F |
| New Orleans | 87.4°F | 88.1°F |
| Fort Lauderdale | 87.2°F | 85.8°F |
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: 21:45
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
