World Resorts USA New Castle Weather

New Castle Sea Temperature in October

Average sea water temperature in October:
+65.2°F
Minimum sea water temperature in October: 72.9°F
Maximum sea water temperature in October: 58.3°F

Daily sea water temperature in October, °F

Show year:
2026
2025
2024

The average sea water temperature in October of 2026 was 65.5°F. The highest and lowest sea temperatures during the month were 69.6°F and 60.8°F.

Monthly sea water temperature in New Castle, °F

Which USA resorts have warmest sea in October?

Place name October 2026 October 2025
West Palm Beach 84.6°F 83.5°F
Fort Lauderdale 84.5°F 83.5°F
Miami Beach 84.0°F 83.4°F
Key West 83.9°F 83.8°F
Key Largo 83.8°F 83.0°F
Miami 83.1°F 82.7°F
Naples 82.4°F 81.9°F
Port St. Lucie 82.3°F 80.2°F
Kailua Kona 82.0°F 80.9°F
Corpus Christi 81.4°F 82.2°F
Siesta Key 81.3°F 80.4°F
Cape Coral 81.1°F 81.1°F
Sarasota 81.0°F 80.2°F
Honolulu 80.6°F 80.7°F
Hawaii 80.5°F 80.6°F
Cocoa Beach 80.4°F 79.2°F
Kauai 80.3°F 81.3°F
Galveston 80.3°F 80.8°F
Oahu 80.1°F 79.8°F
Houston 80.1°F 80.4°F

Best time for vacation in New Castle

Sunniest months:
November 17 days
June 15 days
October 15 days
Warmest months:
July 85.9 °F
August 82.8 °F
June 80.5 °F
Warmest sea temp:
July 80.7 °F
August 80.0 °F
September 74.7 °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
+64°F
NE 5 mph
Feels like: +64°F
Precip.: 3%
Places in USA:
Name
°F
+63°F
+66°F
+77°F
+66°F
+68°F
+84°F
+70°F
+64°F
+68°F
+59°F
+68°F
+82°F
+82°F
+81°F
+66°F
24 Hours Forecast
New Castle
Local time: 13:25
October 29, thursday
1500
70°F
NE
6 mph
1800
63°F
NE
5 mph
2100
57°F
NE
5 mph
October 30, friday
0000
57°F
NE
5 mph
0300
55°F
NE
6 mph
0600
55°F
E
5 mph
0900
61°F
E
6 mph
1200
68°F
SE
12 mph
Units of measurement: °C / °F