National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Washington (KMWN)

Lat: 44.27°NLon: 71.3°WElev: 6262ft.

Freezing Fog and Windy

27°F

-3°C

Humidity 100%
Wind Speed SW 40 mph
Barometer NA
Dewpoint 27°F (-3°C)
Visibility 0.00 mi
Wind Chill9°F (-13°C)
Last update 29 Dec 3:56 pm EST
Extended Forecast for

Mount Washington NH

Wind Advisory December 29, 07:00pm until December 30, 07:00pm
Winter Weather Advisory December 29, 04:55pm until December 29, 07:00pm
Click here for hazard details and duration
Wind Advisory
...
  •  
    Winter Weather Advisory December 29, 04:55pm until December 29, 07:00pm

    NOW until 7:00pm Mon

    Winter Weather Advisory

  • Tonight

    Low: -4 °F

    Mostly Cloudy
    and Very
    Windy

  • Tuesday

    Tuesday: Mostly cloudy and cold, with a high near 0. Wind chill values as low as -36. Very windy, with a west wind 40 to 45 mph, with gusts as high as 65 mph.

    High: 0 °F

    Cold and Very
    Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around -4. Wind chill values as low as -35. Very windy, with a west wind 35 to 45 mph, with gusts as high as 65 mph.

    Low: -4 °F

    Mostly Cloudy
    and Very
    Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 11. Wind chill values as low as -26. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph.

    High: 11 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around -2. South wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph.

    Low: -2 °F

    Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny and cold, with a high near 3. Breezy.

    High: 3 °F

    Cold and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -6.

    Low: -6 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 6.

    High: 6 °F

    Cold

Detailed Forecast

Tonight
Mostly cloudy, with a low around -4. Wind chill values as low as -26. Very windy, with a west wind 25 to 30 mph increasing to 35 to 40 mph after midnight. Winds could gust as high as 60 mph.
Tuesday
Mostly cloudy and cold, with a high near 0. Wind chill values as low as -36. Very windy, with a west wind 40 to 45 mph, with gusts as high as 65 mph.
Tuesday Night
Mostly cloudy, with a low around -4. Wind chill values as low as -35. Very windy, with a west wind 35 to 45 mph, with gusts as high as 65 mph.
Wednesday
Partly sunny, with a high near 11. Wind chill values as low as -26. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph.
Wednesday Night
Cloudy, with a low around -2. South wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph.
New Year's Day
Mostly sunny and cold, with a high near 3. Breezy.
Thursday Night
Partly cloudy, with a low around -6.
Friday
Partly sunny and cold, with a high near 6.
Friday Night
Mostly cloudy, with a low around 0.
Saturday
Mostly cloudy and cold, with a high near 9. Breezy.
Saturday Night
Mostly cloudy, with a low around -5.
Sunday
Partly sunny and cold, with a high near 5.
Sunday Night
Mostly cloudy, with a low around -3.
Monday
Mostly cloudy, with a high near 11.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Washington NH
 44.28°N 71.33°W (Elev. 3701 ft)
Last Update:
1:06 pm EST Dec 29, 2025
Forecast Valid:
4pm EST Dec 29, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation