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February 21st, 2026 :: 12:40 am EST   

Local Weather Report for
New Castle
New Hampshire, United States

 Current New Castle Weather Conditions Updated February 20th at 11:55 pm 
light snow mist
Temperature:34°F Dew Point:32°F
Barometer:29.68 inHg Wind:N 13 Mph
Humidity:93.0% Visibility:0M
 
 New Castle Weather Forecast Summary  
 
Today
Feb 21st
Sunday
Feb 22nd
Monday
Feb 23rd
Tuesday
Feb 24th
Wednesday
Feb 25th
Mix of rain and snow Cloudy Mix of rain and snow Cloudy Cloudy
34°F
35°F
32°F
33°F
28°F
34°F
26°F
37°F
27°F
 
 New Castle Detailed Weather Forecast  
 
Saturday, February 21st, 2026
Overnight Temperature: 31°F
Cloudy with flurries or showers likely. Risk of freezing rain. Wind 20 to 30 mph.
Morning Temperature: 28°F
Cloudy with a slight chance of flurries. Windy at times.
Afternoon Temperature: 32°F
Cloudy. Windy at times.
Evening Temperature: 33°F
Clear. Windy.
Sunday, February 22nd, 2026
Overnight Temperature: 32°F
A mix of cloudy and clear skies. Wind 20 to 30 mph.
Morning Temperature: 33°F
Cloudy. Windy.
Afternoon Temperature: 35°F
Cloudy. Wind 25 to 40 mph.
Evening Temperature: 35°F
Cloudy with a chance of flurries or showers. Risk of freezing rain. Wind 25 to 40 mph.
Monday, February 23rd, 2026
Overnight Temperature: 33°F
Cloudy with flurries or showers likely. Wind 45 to 55 mph.
Morning Temperature: 28°F
Cloudy with flurries likely. Wind 45 to 55 mph.
Afternoon Temperature: 29°F
Cloudy with flurries likely. Wind 45 to 55 mph.
Evening Temperature: 30°F
Cloudy with a chance of flurries. Wind 25 to 40 mph.
Tuesday, February 24th, 2026
Overnight Temperature: 27°F
Cloudy. Windy.
Morning Temperature: 30°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 33°F
Sunny with cloudy periods. Windy.
Evening Temperature: 29°F
Cloudy. Windy.
Wednesday, February 25th, 2026
Overnight Temperature: 27°F
Cloudy. Windy at times.
Morning Temperature: 31°F
Cloudy. Windy at times.
Afternoon Temperature: 37°F
Cloudy. Wind 20 to 30 mph.
Evening Temperature: 36°F
Cloudy. Windy.
Thursday, February 26th, 2026
Overnight Temperature: 37°F
Cloudy. Windy at times.
Morning Temperature: 37°F
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy at times.
Afternoon Temperature: 37°F
Cloudy with a few showers. Showers possibly mixed with wet flurries. Windy at times.
Evening Temperature: 36°F
Cloudy with showers or wet flurries likely. Windy.
Friday, February 27th, 2026
Overnight Temperature: 35°F
Cloudy with a few flurries or showers. Risk of freezing rain. Wind 20 to 30 mph.
Morning Temperature: 34°F
Cloudy with a few flurries or showers. Risk of freezing rain. Wind 25 to 40 mph.
Afternoon Temperature: 34°F
Cloudy with flurries or showers. Risk of freezing rain. Wind 40 to 50 mph.
Evening Temperature: 33°F
Cloudy with a few flurries or showers. Risk of freezing rain. Wind 35 to 45 mph.
Saturday, February 28th, 2026
Overnight Temperature: 33°F
A mix of cloudy and clear skies with a chance of flurries or showers. Risk of freezing rain. Wind 20 to 30 mph.
Morning Temperature: 34°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 35°F
Cloudy. Windy at times.
Evening Temperature: 33°F
Cloudy. Windy.





 

  [ Local Weather Report ]
Kittery, ME 
11:55 PM  34°F
light snow mist
 
Portsmouth, NH 
11:55 PM  34°F
light snow mist
 
Rye, NH 
11:55 PM  34°F
light snow mist
 
Greenland, NH 
11:55 PM  34°F
light snow mist
 
Newington, NH 
11:55 PM  34°F
light snow mist
 
Eliot, ME 
11:55 PM  34°F
light snow mist
 
North Hampton, NH 
 
Stratham, NH 
11:55 PM  34°F
light snow mist
 
Durham, NH 
 
Hampton, NH 

 
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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