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January 1st, 2026 :: 12:49 am EST   

Local Weather Report for
New Castle
New Hampshire, United States

 Current New Castle Weather Conditions Updated December 31st at 11:55 pm 
Overcast
Temperature:25°F Dew Point:14°F
Barometer:29.62 inHg Wind:N 9 Mph
Humidity:62.3% Visibility:0M
 
 New Castle Weather Forecast Summary  
 
Today
Jan 1st
Friday
Jan 2nd
Saturday
Jan 3rd
Sunday
Jan 4th
Monday
Jan 5th
Cloudy Cloudy Cloudy Cloudy Mostly Sunny
34°F
27°F
22°F
27°F
24°F
31°F
25°F
25°F
19°F
 
 New Castle Detailed Weather Forecast  
 
Thursday, January 1st, 2026
Overnight Temperature: 34°F
Cloudy with a chance of flurries or showers. Risk of freezing rain. Wind 20 to 30 mph.
Morning Temperature: 26°F
Cloudy. Wind 25 to 40 mph.
Afternoon Temperature: 22°F
Sunny with cloudy periods. Wind 25 to 40 mph.
Evening Temperature: 20°F
Clear. Wind 20 to 30 mph.
Friday, January 2nd, 2026
Overnight Temperature: 22°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 25°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 27°F
Sunny with cloudy periods. Windy.
Evening Temperature: 26°F
Clear. Wind 20 to 30 mph.
Saturday, January 3rd, 2026
Overnight Temperature: 24°F
Clear. Wind 20 to 30 mph.
Morning Temperature: 25°F
Cloudy. Windy.
Afternoon Temperature: 27°F
Cloudy. Windy.
Evening Temperature: 27°F
Cloudy. Windy at times.
Sunday, January 4th, 2026
Overnight Temperature: 26°F
Cloudy with a chance of flurries.
Morning Temperature: 28°F
Sunny with cloudy periods.
Afternoon Temperature: 31°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 28°F
Cloudy. Windy.
Monday, January 5th, 2026
Overnight Temperature: 22°F
Clear with cloudy periods. Windy.
Morning Temperature: 21°F
Sunny. Windy.
Afternoon Temperature: 24°F
Mostly sunny. Windy.
Evening Temperature: 25°F
Clear with cloudy periods. Windy.
Tuesday, January 6th, 2026
Overnight Temperature: 27°F
Cloudy. Windy at times.
Morning Temperature: 32°F
Cloudy. Windy at times.
Afternoon Temperature: 37°F
Cloudy. Windy.
Evening Temperature: 40°F
Cloudy with showers likely. Showers possibly mixed with wet flurries. Wind 20 to 30 mph.
Wednesday, January 7th, 2026
Overnight Temperature: 44°F
Cloudy with showers likely. Wind 20 to 30 mph.
Morning Temperature: 43°F
Cloudy with showers likely. Windy.
Afternoon Temperature: 42°F
Cloudy. Windy.
Evening Temperature: 38°F
Clear with cloudy periods. Windy.
Thursday, January 8th, 2026
Overnight Temperature: 34°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 35°F
Sunny. Windy at times.
Afternoon Temperature: 41°F
Cloudy. Windy.
Evening Temperature: 41°F
Cloudy. Wind 20 to 30 mph.





 

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This WeatherCity Weather Forecast for New Castle, New Hampshire, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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