World Resorts USA New Castle Weather

New Castle 7 Days Forecast

07.01
wed
Day
50°F
SE 13 mph
Precip.
0%
Night
39°F
SE 6 mph
Precip.
0%
08.01
thu
Day
41°F
NE 2 mph
Precip.
0%
Night
36°F
N 6 mph
Precip.
0%
09.01
fri
Day
37°F
N 13 mph
Precip.
0%
Night
54°F
NE 6 mph
Precip.
0%
10.01
sat
Day
55°F
N 6 mph
Precip.
100%
Night
61°F
NE 16 mph
Precip.
100%
11.01
sun
Day
54°F
E 12 mph
Precip.
100%
Night
39°F
E 12 mph
Precip.
0%
12.01
mon
Day
37°F
SE 14 mph
Precip.
0%
Night
34°F
E 6 mph
Precip.
0%
13.01
tue
Day
41°F
NE 9 mph
Precip.
0%
Night
37°F
NE 4 mph
Precip.
0%

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 35.4°F. The highest and lowest sea temperatures during the month were 41.7°F and 31.8°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 39.1 °F
February 42.3 °F
December 43.1 °F
Rainiest months:
July 3 days
April 3 days
August 3 days
Windiest months:
March 9.2 mph
April 8.8 mph
January 8.4 mph

New Castle on a weather map

Current weather
16:51
New Castle
+50°F
SE 12 mph
Feels like: +46°F
Precip.: 0%
Places in USA:
Name
°F
Washington
+55°F
Hawaii
+75°F
Honolulu
+75°F
Las Vegas
+59°F
Los Angeles
+66°F
Miami
+77°F
Miami Beach
+75°F
Maui
+70°F
New York
+46°F
San Diego
+61°F
San Francisco
+54°F
Sarasota
+68°F
Tampa
+75°F
Houston
+82°F
Chicago
+43°F
all places
24 Hours Forecast
New Castle
Local time: 16:51
January 07, wednesday
1800
50°F
SE
12 mph
2100
41°F
SE
8 mph
January 08, thursday
0000
39°F
SE
6 mph
0300
37°F
SE
5 mph
0600
36°F
SE
4 mph
0900
37°F
SE
4 mph
1200
41°F
NE
2 mph
1500
41°F
NE
5 mph
Units of measurement: °C / °F