World Resorts USA New Castle Weather

New Castle 7 Days Forecast

08.06
mon
Day
77°F
W 6 mph
Precip.
1%
Night
59°F
NW 6 mph
Precip.
2%
09.06
tue
Day
75°F
N 7 mph
Precip.
0%
Night
64°F
N 6 mph
Precip.
1%
10.06
wed
Day
77°F
NE 11 mph
Precip.
19%
Night
72°F
NE 5 mph
Precip.
42%
11.06
thu
Day
88°F
E 11 mph
Precip.
1%
Night
73°F
E 4 mph
Precip.
90%
12.06
fri
Day
90°F
S 5 mph
Precip.
0%
Night
70°F
NW 5 mph
Precip.
39%
13.06
sat
Day
79°F
S 7 mph
Precip.
6%
Night
70°F
NE 5 mph
Precip.
2%
14.06
sun
Day
84°F
NE 8 mph
Precip.
0%
Night
68°F
SW 6 mph
Precip.
16%

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 70.4°F. The highest and lowest sea temperatures during the month were 78.4°F and 63.3°F.

Air temperature in New Castle, °F

Precipitation total in New Castle, in.

* Charts above show average data for the last 3 years.

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
+81°F
N 7 mph
Feels like: +81°F
Precip.: 1%
Places in USA:
Name
°F
+77°F
+77°F
+100°F
+79°F
+88°F
+86°F
+72°F
+79°F
+70°F
+68°F
+68°F
+95°F
+102°F
+88°F
+77°F
24 Hours Forecast
New Castle
Local time: 15:24
June 08, monday
1800
77°F
N
12 mph
2100
66°F
NW
7 mph
June 09, tuesday
0000
59°F
NW
6 mph
0300
55°F
N
4 mph
0600
57°F
NE
4 mph
0900
64°F
NE
6 mph
1200
75°F
N
7 mph
1500
77°F
N
7 mph
Units of measurement: °C / °F