Measurements:
°C
°F
CURRENT WEATHER
15:54
New Castle
50°F
N 18 mph
Feels like: 44°F
Precip: 0%
World Resorts USA New Castle Weather

7 Day Weather Forecast

03.13
fri
DAY
44°F
N 12 mph
precip
0%
NIGHT
40°F
NE 14 mph
precip
100%
03.14
sat
DAY
48°F
E 19 mph
precip
0%
NIGHT
38°F
S 4 mph
precip
0%
03.15
sun
DAY
46°F
NW 12 mph
precip
0%
NIGHT
50°F
NW 13 mph
precip
0%
03.16
mon
DAY
64°F
N 17 mph
precip
0%
NIGHT
38°F
E 16 mph
precip
100%
03.17
tue
DAY
32°F
E 15 mph
precip
0%
NIGHT
26°F
E 11 mph
precip
0%
03.18
wed
DAY
32°F
E 6 mph
precip
0%
NIGHT
30°F
N 7 mph
precip
0%
03.19
thu
DAY
44°F
N 11 mph
precip
0%
NIGHT
40°F
NE 4 mph
precip
0%

New Castle Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for New Castle was 6.3°F. The maximum and minimum values were 2.8°F and 9.6°F respectively.

New Castle on the Weather Map

Best Time to Visit New Castle
The most sunny months:
November 17 days
October 16 days
September 15 days
The most warm months:
July 89.5 °F
August 86.0 °F
June 83.1 °F
Warmest sea temperature:
July 84.2 °F
August 83.3 °F
September 77.2 °F
The most cold months:
January 37.3 °F
February 40.7 °F
December 42.3 °F
The most rainy months:
July 3 days
August 3 days
April 3 days
The most windy months:
March 9 mph
April 9 mph
January 8 mph
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