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.

Overcast and Windy

10°F

-12°C

Humidity 30%
Wind Speed S 37 mph
Barometer NA
Dewpoint -15°F (-26°C)
Visibility 100.00 mi
Wind Chill-14°F (-26°C)
Last update 2 Dec 1:56 am EST
Extended Forecast for

Mount Washington NH

Winter Weather Advisory December 2, 08:00am until December 3, 04:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Cloudy, with a low around 3. Wind chill values as low as -17. Windy, with a south wind around 30 mph, with gusts as high as 40 mph.

    Low: 3 °F

    Cloudy and
    Windy

  • Tuesday

    Tuesday: Snow, mainly after 8am. The snow could be heavy at times. High near 17. Wind chill values as low as -17. Very windy, with a southwest wind 30 to 40 mph decreasing to 20 to 30 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 17 °F

    Heavy Snow
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: Snow, mainly before midnight. Low around 8. Wind chill values as low as -15. Very windy, with an east wind 15 to 25 mph becoming northwest 35 to 45 mph. Winds could gust as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 8 °F

    Snow and
    Windy then
    Chance Snow
    and Very
    Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 14. Wind chill values as low as -19. Very windy, with a northwest wind 35 to 45 mph decreasing to 25 to 35 mph in the afternoon. Winds could gust as high as 55 mph.

    High: 14 °F

    Partly Sunny
    and Very
    Windy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow showers after 5am. Mostly cloudy, with a low around 6. Windy, with a southwest wind 20 to 25 mph increasing to 30 to 35 mph after midnight. Winds could gust as high as 45 mph.

    Low: 6 °F

    Mostly Cloudy
    and Breezy
    then Chance
    Snow Showers
    and Windy

  • Thursday

    Thursday: Snow showers, mainly before 5pm. High near 11. Very windy. Chance of precipitation is 80%.

    High: 11 °F

    Snow Showers
    and Very
    Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers before 7pm. Partly cloudy, with a low around -14. Very windy.

    Low: -14 °F

    Very Windy.
    Chance Snow
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near 3. Windy.

    High: 3 °F

    Cold and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around -3. Breezy.

    Low: -3 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Overnight
Cloudy, with a low around 3. Wind chill values as low as -17. Windy, with a south wind around 30 mph, with gusts as high as 40 mph.
Tuesday
Snow, mainly after 8am. The snow could be heavy at times. High near 17. Wind chill values as low as -17. Very windy, with a southwest wind 30 to 40 mph decreasing to 20 to 30 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Tuesday Night
Snow, mainly before midnight. Low around 8. Wind chill values as low as -15. Very windy, with an east wind 15 to 25 mph becoming northwest 35 to 45 mph. Winds could gust as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Partly sunny, with a high near 14. Wind chill values as low as -19. Very windy, with a northwest wind 35 to 45 mph decreasing to 25 to 35 mph in the afternoon. Winds could gust as high as 55 mph.
Wednesday Night
A 30 percent chance of snow showers after 5am. Mostly cloudy, with a low around 6. Windy, with a southwest wind 20 to 25 mph increasing to 30 to 35 mph after midnight. Winds could gust as high as 45 mph.
Thursday
Snow showers, mainly before 5pm. High near 11. Very windy. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of snow showers before 7pm. Partly cloudy, with a low around -14. Very windy.
Friday
Sunny and cold, with a high near 3. Windy.
Friday Night
Partly cloudy, with a low around -3. Breezy.
Saturday
A 30 percent chance of snow after 10am. Partly sunny, with a high near 12. Breezy.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 3. Very windy.
Sunday
Partly sunny and cold, with a high near 7. Very windy.
Sunday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around -9. Windy.
Monday
Mostly sunny and cold, with a high near -1. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Washington NH
 44.28°N 71.3°W (Elev. 5650 ft)
Last Update:
12:48 am EST Dec 2, 2025
Forecast Valid:
3am EST Dec 2, 2025-6pm EST Dec 8, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation