Measurements:
°C
°F
New Castle
58°F
SW 3 mph
Feels like: 60°F
Precip: 71%
World Resorts USA New Castle Weather

7 Day Weather Forecast

05.19
sun
DAY
72°F
SW 7 mph
precip
64%
NIGHT
58°F
NW 4 mph
precip
0%
05.20
mon
DAY
76°F
SW 5 mph
precip
0%
NIGHT
58°F
N 4 mph
precip
0%
05.21
tue
DAY
80°F
NE 7 mph
precip
0%
NIGHT
62°F
N 6 mph
precip
0%
05.22
wed
DAY
82°F
NE 10 mph
precip
0%
NIGHT
68°F
N 8 mph
precip
0%
05.23
thu
DAY
80°F
E 9 mph
precip
23%
NIGHT
64°F
NE 5 mph
precip
0%
05.24
fri
DAY
74°F
W 6 mph
precip
0%
NIGHT
64°F
S 2 mph
precip
0%
05.25
sat
DAY
72°F
W 5 mph
precip
0%
NIGHT
60°F
E 2 mph
precip
0%

New Castle Sea Water Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for New Castle was 16.4°F. The maximum and minimum values were 13.2°F and 19.5°F respectively.

New Castle on the Weather Map

Best Time to Visit New Castle
The most sunny months:
November 17 days
September 16 days
October 13 days
The most warm months:
July 88.8 °F
August 86.3 °F
June 81.8 °F
Warmest sea temperature:
July 83.7 °F
August 83.5 °F
September 77.7 °F
The most cold months:
January 39.1 °F
February 42.1 °F
December 43.7 °F
The most rainy months:
July 4 days
August 4 days
November 3 days
The most windy months:
March 9 mph
April 8 mph
February 8 mph