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.

Fair

57°F

14°C

Humidity 72%
Wind Speed N 7 mph
Barometer 30.08 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 15 Oct 3:55 am EDT
Extended Forecast for

Picatinny Arsenal NJ

  • Today

    Today: Mostly sunny, with a high near 62. North wind around 5 mph becoming calm in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers, mainly after 2am. Low around 51. Southeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Partly Cloudy
    then Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 72. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 43. West wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 48. North wind around 15 mph, with gusts as high as 30 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Areas Frost

  • Sunday

    Sunday: Areas of frost before 10am. Otherwise, sunny, with a high near 53.

    High: 53 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 62. North wind around 5 mph becoming calm in the afternoon.
Tonight
Showers, mainly after 2am. Low around 51. Southeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 72. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 43. West wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 48. North wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Areas of frost. Otherwise, mostly clear, with a low around 33.
Sunday
Areas of frost before 10am. Otherwise, sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Picatinny Arsenal NJ
 40.93°N 74.56°W (Elev. 965 ft)
Last Update:
2:27 am EDT Oct 15, 2026
Forecast Valid:
4am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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