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.

Overcast

32°F

0°C

Humidity 75%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 20 Feb 1:53 am EST
Extended Forecast for

Derry NH

Winter Weather Advisory February 20, 12:00pm until February 21, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Patchy Fog

  • Friday

    Friday: Snow, mainly after 3pm. High near 36. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 36 °F

    Mostly Cloudy
    then Snow

  • Friday Night

    Friday Night: Snow, mainly before 2am. Low around 23. East wind around 5 mph becoming north after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 23 °F

    Snow then
    Snow Likely

  • Saturday

    Saturday: A chance of snow before noon, then a chance of snow after 5pm. Mostly cloudy, with a high near 33. Northeast wind around 5 mph. Chance of precipitation is 40%.

    High: 33 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 7pm. Partly cloudy, with a low around 16. Calm wind.

    Low: 16 °F

    Chance Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow after 7pm. Cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

  • Monday

    Monday: A 30 percent chance of snow before 10am. Cloudy, with a high near 32.

    High: 32 °F

    Chance Snow
    then Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 21. Calm wind.
Friday
Snow, mainly after 3pm. High near 36. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Snow, mainly before 2am. Low around 23. East wind around 5 mph becoming north after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday
A chance of snow before noon, then a chance of snow after 5pm. Mostly cloudy, with a high near 33. Northeast wind around 5 mph. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of snow before 7pm. Partly cloudy, with a low around 16. Calm wind.
Sunday
Mostly cloudy, with a high near 34.
Sunday Night
A 40 percent chance of snow after 7pm. Cloudy, with a low around 24.
Monday
A 30 percent chance of snow before 10am. Cloudy, with a high near 32.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 11.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 36.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Derry NH
 42.9°N 71.3°W (Elev. 299 ft)
Last Update:
1:53 am EST Feb 20, 2026
Forecast Valid:
2am EST Feb 20, 2026-6pm EST Feb 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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