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
Cape Coral 71.7°F 74.2°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

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 43.9 °F
Rainiest months:
July 3 days
August 3 days
April 3 days
Windiest months:
March 9.2 mph
April 8.8 mph
January 8.4 mph

New Castle on a weather map

New Castle
+39°F
NE 5 mph
Feels like: +37°F
Precip.: 0%
Places in USA:
Name
°F
+50°F
+75°F
+75°F
+64°F
+59°F
+77°F
+79°F
+70°F
+37°F
+63°F
+57°F
+79°F
+77°F
+75°F
+41°F
24 Hours Forecast
New Castle
Local time: 19:08
December 23, tuesday
2100
39°F
NE
5 mph
December 24, wednesday
0000
37°F
E
6 mph
0300
36°F
E
7 mph
0600
36°F
SE
14 mph
0900
37°F
SE
14 mph
1200
45°F
SE
14 mph
1500
45°F
SE
12 mph
1800
39°F
SE
6 mph
Units of measurement: °C / °F