Average sea water temperature in July:
+80.7°F
| Minimum sea water temperature in July: | 85.5°F |
| Maximum sea water temperature in July: | 73.0°F |
Daily 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
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 July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Key West | 88.5°F | 86.7°F |
| Key Largo | 88.2°F | 86.2°F |
| Clearwater Beach | 87.9°F | 87.1°F |
| St. Petersburg | 87.9°F | 87.0°F |
| Naples | 87.7°F | 86.6°F |
| Tampa | 87.6°F | 86.8°F |
| Sarasota | 87.6°F | 86.9°F |
| Cape Coral | 87.6°F | 86.4°F |
| Siesta Key | 87.6°F | 86.9°F |
| New Orleans | 87.5°F | 87.4°F |
| Miami | 87.4°F | 86.3°F |
| Miami Beach | 87.0°F | 86.0°F |
| Houston | 86.7°F | 86.3°F |
| Fort Lauderdale | 86.6°F | 85.0°F |
| Hilton Head Island | 86.3°F | 85.7°F |
| St. George Island | 86.3°F | 86.4°F |
| Tybee Island | 86.3°F | 85.4°F |
| Pensacola | 86.1°F | 86.9°F |
| Orange Beach | 86.1°F | 86.7°F |
| West Palm Beach | 86.1°F | 84.6°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: 07:02
September 19, saturday
0900
64°F
SW
10 mph
10 mph
1200
72°F
W
6 mph
6 mph
1500
75°F
SW
5 mph
5 mph
1800
70°F
NW
11 mph
11 mph
2100
63°F
NW
7 mph
7 mph
September 20, sunday
0000
64°F
W
7 mph
7 mph
0300
64°F
W
7 mph
7 mph
0600
63°F
W
6 mph
6 mph
