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:
2026
2025
2024

The average sea water temperature in August of 2026 was 80.7°F. The highest and lowest sea temperatures during the month were 82.6°F and 79.3°F.

Monthly sea water temperature in New Castle, °F

Which USA resorts have warmest sea in August?

Place name August 2026 August 2025
Key West 88.1°F 88.8°F
New Orleans 87.7°F 87.4°F
Houston 87.7°F 87.8°F
Naples 87.3°F 88.7°F
St. George Island 86.5°F 86.5°F
Miami 86.4°F 88.1°F
Miami Beach 86.4°F 87.9°F
Santa Rosa Beach 86.1°F 85.9°F
Sarasota 86.1°F 88.6°F
Panama City Beach 86.1°F 86.2°F
West Palm Beach 86.1°F 86.8°F
Pensacola Beach 86.0°F 86.6°F
Destin 85.9°F 86.0°F
Hilton Head Island 85.9°F 85.0°F
Clearwater Beach 85.9°F 88.5°F
Tampa 85.8°F 88.6°F
Tybee Island 85.7°F 84.5°F
Edisto Beach 85.7°F 84.3°F
Fort Walton Beach 85.6°F 86.0°F
Charleston (SC) 85.3°F 84.1°F

Best time for vacation in New Castle

Sunniest months:
November 17 days
October 16 days
June 15 days
Warmest months:
July 85.9 °F
August 82.4 °F
June 80.5 °F
Warmest sea temp:
July 80.7 °F
August 80.0 °F
September 74.5 °F
Coldest months:
January 38.6 °F
February 41.6 °F
December 43.1 °F
Rainiest months:
July 3 days
August 3 days
June 2 days
Windiest months:
March 9.2 mph
April 8.7 mph
January 8.5 mph

New Castle on a weather map

New Castle
+72°F
S 5 mph
Feels like: +77°F
Precip.: 16%
Places in USA:
Name
°F
+63°F
+75°F
+77°F
+73°F
+66°F
+81°F
+73°F
+79°F
+68°F
+70°F
+59°F
+66°F
+77°F
+81°F
+75°F
24 Hours Forecast
New Castle
Local time: 04:24
August 15, saturday
0600
72°F
SW
6 mph
0900
73°F
SW
6 mph
1200
88°F
SW
4 mph
1500
88°F
SE
5 mph
1800
86°F
S
6 mph
2100
75°F
NW
7 mph
August 16, sunday
0000
72°F
N
6 mph
0300
72°F
N
5 mph
Units of measurement: °C / °F