Northumberland, New Hampshire Weather
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Weather Forecast for Northumberland, New Hampshire : Coos County
Issued: 1:27 am EDT Aug 28, 2025 Latitude: 44.5633886 Longitude: -71.558696 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Labor Day Tuesday Wednesday
Morning Fog on Overnight Morning Fog on Thursday 90% chance of thunderstorms on Friday 40% chance of on Saturday Mostly Sunny on Sunday Sunny on Labor Day Mostly Sunny on Tuesday Mostly Sunny on Wednesday
Low: 41°F High: 75°F High: 68°F High: 66°F High: 71°F High: 76°F High: 78°F High: 79°F
Low: 47°F Low: 44°F Low: 43°F Low: 45°F Low: 46°F Low: 47°F  
Morning Fog Morning Fog Thunderstorms Partly Sunny Mostly Sunny Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
WHITEFIELD - (KHIE)
37°
Mostly Clear
as of 2:04 AM EDST
Rel. Humidity: 93%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 100ft
Current Conditions at
BERLIN - (KBML)
39°
Clear
Fog
as of 2:28 AM EDST
Rel. Humidity: 100%
Dew Point: 39°F
Visibility: 1/4 Miles
Pressure: 30.08 in.
Flight Rule: IFR
Wind Data
Calm
Current Conditions at
MT WASHINGTON - (KMWN)
36°
Feels like 23°F
Cloudy
Fog
as of 1:51 AM EDST
Rel. Humidity: 100%
Dew Point: 36°F
Visibility: 0 Miles
Flight Rule: LIFR
Wind Data
23 MPH
310° Northwest
Current Conditions at
ST JOHNSBURY - (K1V4)
46°
Cloudy
as of 1:54 AM EDST
Rel. Humidity: 87%
Dew Point: 43°F
Pressure: 30.07 in.
Wind Data
Calm
Morning Fog on Overnight Overnight... Areas of fog after 3am. Otherwise, partly cloudy, with a low around 41. Calm wind.
Morning Fog on Thursday Thursday... Areas of dense fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 47. Calm wind.
90% chance of thunderstorms Friday Friday... Showers likely, then showers and possibly a thunderstorm after 11am. High near 68. Calm wind becoming south around 5 mph. Chance of precipitation is 90%.
60% chance of rain Friday Night Friday Night... Showers likely, mainly before 9pm. Mostly cloudy, with a low around 44. Calm wind. Chance of precipitation is 60%.
40% chance of Saturday Saturday... A 40 percent chance of showers after 11am. Partly sunny, with a high near 66.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 43.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 71.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 45.
Sunny on Labor Day Labor Day... Sunny, with a high near 76.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 46.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 78.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 47.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 79.
Current Radar Image


Sun Almanac for Northumberland, New Hampshire
Sunrise: 06:05 AM
Sunset: 7:30 PM
Civil Sunrise:05:34 AM
Civil Sunset: 8:00 PM
Nautical Sunrise: 04:58 AM
Nautical Sunset: 8:37 PM
Astro Sunrise: 04:19 AM
Astro Sunset: 9:16 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.