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:
2025
2024
2023

The average sea water temperature in October of 2025 was 66.2°F. The highest and lowest sea temperatures during the month were 72.9°F and 58.3°F.

Monthly sea water temperature in New Castle, °F

Which USA resorts have warmest sea in October?

Place name October 2025 October 2024
Key West 83.8°F 82.9°F
Fort Lauderdale 83.5°F 83.0°F
Miami Beach 83.4°F 83.4°F
Miami 82.7°F 82.9°F
Corpus Christi 82.2°F 80.6°F
Naples 81.9°F 81.6°F
Kauai 81.3°F 79.2°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Molokai 80.5°F 80.1°F
Siesta Key 80.4°F 80.7°F
Houston 80.4°F 78.8°F
Hilo 80.3°F 79.7°F
Sarasota 80.2°F 80.5°F
Maui 79.8°F 79.4°F
Oahu 79.8°F 80.2°F
St. Petersburg 79.4°F 79.0°F
Tampa 79.4°F 79.3°F
Panama City Beach 79.2°F 78.9°F
Cocoa Beach 79.2°F 79.9°F

Best time for vacation in New Castle

Sunniest months:
November 17 days
October 16 days
June 15 days
Warmest months:
July 85.5 °F
August 82.4 °F
June 80.5 °F
Warmest sea temp:
July 80.8 °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
+75°F
N 9 mph
Feels like: +77°F
Precip.: 3%
Places in USA:
Name
°F
+70°F
+79°F
+84°F
+63°F
+82°F
+84°F
+75°F
+79°F
+77°F
+66°F
+57°F
+79°F
+77°F
+81°F
+73°F
24 Hours Forecast
New Castle
Local time: 23:46
July 01, wednesday
0000
75°F
N
9 mph
0300
72°F
N
7 mph
0600
72°F
NE
7 mph
0900
81°F
NE
9 mph
1200
97°F
NE
7 mph
1500
95°F
NE
7 mph
1800
95°F
NE
7 mph
2100
84°F
N
6 mph
Units of measurement: °C / °F