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
Everglades 77.4°F 74.4°F
Kailua Kona 77.2°F 77.7°F
West Palm Beach 77.1°F 75.8°F
Key Largo 76.8°F 75.1°F
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
Miami 76.0°F 74.4°F
Kahului 75.7°F 76.3°F
Maui 75.5°F 76.0°F
Oahu 74.9°F 75.7°F
Cape Coral 73.9°F 71.7°F
Marco Island 73.5°F 71.8°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

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 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
+61°F
N 5 mph
Feels like: +61°F
Precip.: 100%
Places in USA:
Name
°F
+64°F
+75°F
+75°F
+79°F
+73°F
+88°F
+82°F
+70°F
+66°F
+68°F
+63°F
+90°F
+95°F
+86°F
+55°F
24 Hours Forecast
New Castle
Local time: 15:12
April 28, tuesday
1800
57°F
N
6 mph
2100
52°F
NW
4 mph
April 29, wednesday
0000
52°F
NW
4 mph
0300
50°F
N
3 mph
0600
48°F
NW
4 mph
0900
55°F
NW
6 mph
1200
61°F
NW
9 mph
1500
63°F
NW
11 mph
Units of measurement: °C / °F