World Resorts USA New Castle Weather

New Castle Sea Temperature in March

Average sea water temperature in March:
+44.2°F
Minimum sea water temperature in March: 51.6°F
Maximum sea water temperature in March: 35.6°F

Daily sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 42.4°F. The highest and lowest sea temperatures during the month were 49.5°F and 35.8°F.

Monthly sea water temperature in New Castle, °F

Which USA resorts have warmest sea in March?

Place name March 2026 March 2025
Miami Beach 76.8°F 75.3°F
Honolulu 76.7°F 76.8°F
Fort Lauderdale 76.6°F 75.8°F
Hawaii 76.5°F 76.7°F
Kauai 76.5°F 75.0°F
Key West 76.5°F 74.5°F
Hilo 76.3°F 76.3°F
Molokai 76.2°F 76.6°F
Miami 76.0°F 74.4°F
Maui 75.5°F 76.0°F
Oahu 74.9°F 75.7°F
Naples 72.6°F 71.4°F
Corpus Christi 71.9°F 67.0°F
Tampa 71.7°F 69.3°F
Cocoa Beach 71.7°F 70.0°F
St. Petersburg 71.2°F 68.8°F
Sarasota 70.6°F 68.6°F
Clearwater Beach 70.2°F 67.6°F
Siesta Key 70.1°F 68.5°F
Houston 69.4°F 64.6°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
+73°F
+79°F
+82°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: 00:35
July 01, wednesday
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
July 02, thursday
0000
79°F
NE
8 mph
Units of measurement: °C / °F