World Resorts USA New Castle Weather

New Castle Sea Temperature in August

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.

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
Key West 88.8°F 87.8°F
Key Largo 88.7°F 87.3°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
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Corpus Christi 87.0°F 87.9°F
West Palm Beach 86.8°F 86.2°F
Cocoa Beach 86.8°F 84.5°F
Pensacola Beach 86.6°F 87.4°F

Best time for vacation in New Castle

Sunniest months:
November 17 days
October 16 days
September 15 days
Warmest months:
July 85.5 °F
August 82.4 °F
June 79.8 °F
Warmest sea temp:
July 80.8 °F
August 80.0 °F
September 74.5 °F
Coldest months:
January 38.6 °F
February 42.3 °F
December 43.1 °F
Rainiest months:
July 3 days
August 3 days
April 3 days
Windiest months:
March 9.2 mph
April 8.8 mph
January 8.5 mph

New Castle on a weather map

New Castle
+52°F
S 5 mph
Feels like: +50°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+72°F
+72°F
+82°F
+77°F
+75°F
+73°F
+68°F
+45°F
+81°F
+59°F
+73°F
+77°F
+77°F
+36°F
24 Hours Forecast
New Castle
Local time: 16:32
February 26, thursday
1800
52°F
S
5 mph
2100
41°F
S
4 mph
February 27, friday
0000
39°F
S
2 mph
0300
34°F
S
1 mph
0600
27°F
S
1 mph
0900
25°F
NW
2 mph
1200
36°F
N
4 mph
1500
45°F
NE
6 mph
Units of measurement: °C / °F