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

Hazardous Weather Conditions

Current conditions at

Manchester Airport (KMHT)

Lat: 42.93°NLon: 71.44°WElev: 223ft.

Light Snow Fog/Mist

33°F

1°C

Humidity 85%
Wind Speed Vrbl 5 mph
Barometer 29.76 in (1009.5 mb)
Dewpoint 29°F (-2°C)
Visibility 0.75 mi
Wind Chill28°F (-2°C)
Last update 20 Feb 3:53 pm EST
Extended Forecast for

Derry NH

Winter Weather Advisory February 20, 04:21pm until February 21, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 20, 04:21pm until February 21, 07:00am

    NOW until 7:00am Sat

    Winter Weather Advisory

  • This Afternoon

    High: 37 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 4am. Low around 23. East wind around 5 mph becoming north after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 23 °F

    Snow then
    Snow Likely

  • Saturday

    Saturday: A chance of snow before 10am, then a slight chance of snow after 3pm. Mostly cloudy, with a high near 33. Northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 30%.

    High: 33 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 34. Northeast wind around 5 mph.

    High: 34 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Snow likely, mainly after 2am. Cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °F

    Snow Likely

  • Monday

    Monday: Snow likely, mainly before noon. Cloudy, with a high near 30. Chance of precipitation is 60%.

    High: 30 °F

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before 9pm. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Snow. High near 37. East wind around 5 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly before 4am. Low around 23. East wind around 5 mph becoming north after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Saturday
A chance of snow before 10am, then a slight chance of snow after 3pm. Mostly cloudy, with a high near 33. Northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 18. Calm wind.
Sunday
Mostly cloudy, with a high near 34. Northeast wind around 5 mph.
Sunday Night
Snow likely, mainly after 2am. Cloudy, with a low around 23. Chance of precipitation is 60%.
Monday
Snow likely, mainly before noon. Cloudy, with a high near 30. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of snow before 9pm. Mostly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 8.
Wednesday
Mostly cloudy, with a high near 34.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 38.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Derry NH
 42.9°N 71.3°W (Elev. 299 ft)
Last Update:
2:04 pm EST Feb 20, 2026
Forecast Valid:
4pm EST Feb 20, 2026-6pm EST Feb 27, 2026
 
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