World Resorts USA New Castle Weather

New Castle Sea Temperature in March

Average sea water temperature in March:
+44.5°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:
2025
2024
2023

The average sea water temperature in March of 2025 was 43.4°F. The highest and lowest sea temperatures during the month were 49.3°F and 37.0°F.

Monthly sea water temperature in New Castle, °F

Which USA resorts have warmest sea in March?

Place name March 2025 March 2024
Kailua Kona 77.7°F 76.5°F
Honolulu 76.8°F 75.8°F
Hawaii 76.7°F 75.7°F
Maui 76.0°F 75.1°F
West Palm Beach 75.8°F 76.6°F
Fort Lauderdale 75.8°F 75.7°F
Oahu 75.7°F 74.5°F
Miami Beach 75.3°F 76.0°F
Islamorada 75.2°F 77.3°F
Key Largo 75.1°F 76.9°F
Kauai 75.0°F 74.5°F
Key West 74.5°F 76.5°F
Everglades 74.4°F 77.3°F
Miami 74.4°F 75.5°F
Marco Island 71.8°F 74.5°F
Naples 71.4°F 73.8°F
Sanibel Island 70.9°F 73.0°F
Cocoa Beach 70.0°F 71.5°F
Tampa 69.3°F 71.7°F
St. Petersburg 68.8°F 71.8°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 39.1 °F
February 42.3 °F
December 43.1 °F
Rainiest months:
July 3 days
April 3 days
August 3 days
Windiest months:
March 9.2 mph
April 8.8 mph
January 8.4 mph

New Castle on a weather map

New Castle
+41°F
E 4 mph
Feels like: +39°F
Precip.: 0%
Places in USA:
Name
°F
+39°F
+73°F
+73°F
+45°F
+55°F
+64°F
+70°F
+68°F
+39°F
+55°F
+50°F
+63°F
+61°F
+66°F
+39°F
24 Hours Forecast
New Castle
Local time: 01:50
January 07, wednesday
0300
41°F
E
4 mph
0600
41°F
NE
9 mph
0900
41°F
E
13 mph
1200
52°F
E
14 mph
1500
55°F
SE
15 mph
1800
50°F
SE
12 mph
2100
41°F
SE
11 mph
January 08, thursday
0000
39°F
SE
7 mph
Units of measurement: °C / °F