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

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Mostly Cloudy

77°F

25°C

Humidity 54%
Wind Speed SW 16 G 23 mph
Barometer 29.75 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 11 Mar 3:55 pm EDT
Extended Forecast for

Picatinny Arsenal NJ

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Partly sunny, with a high near 75. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 40. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain before noon, then a chance of rain and snow between noon and 2pm, then a chance of snow after 2pm. Temperature falling to around 38 by 2pm. Northwest wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 48 °F⇓

    Rain then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. West wind around 5 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 45. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 30 mph.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 48.

    High: 48 °F

    Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 40. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain before noon, then a chance of rain and snow between noon and 2pm, then a chance of snow after 2pm. Temperature falling to around 38 by 2pm. Northwest wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. West wind around 5 mph.
Friday
Partly sunny, with a high near 45. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Cloudy, with a high near 48.
Sunday Night
Rain, mainly after 2am. Low around 39. Chance of precipitation is 90%.
Monday
Rain. High near 60. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Tuesday
A chance of snow. Mostly sunny, with a high near 36. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Picatinny Arsenal NJ
 40.91°N 74.56°W (Elev. 699 ft)
Last Update:
4:10 pm EDT Mar 11, 2026
Forecast Valid:
4pm EDT Mar 11, 2026-6pm EDT Mar 18, 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