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.

Clear

59°F

15°C

Humidity 94%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 7:45 pm EDT
Extended Forecast for

Picatinny Arsenal NJ

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Southwest wind around 5 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 78. West wind around 5 mph.

    High: 78 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52. Calm wind becoming north around 5 mph after midnight.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely after 2am. Partly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 54. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 64. Southwest wind around 5 mph, with gusts as high as 20 mph.
Wednesday
Increasing clouds, with a high near 78. West wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 52. Calm wind becoming north around 5 mph after midnight.
Thursday
Sunny, with a high near 66.
Thursday Night
Showers likely after 2am. Partly cloudy, with a low around 50. Chance of precipitation is 60%.
Friday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Picatinny Arsenal NJ
 40.91°N 74.56°W (Elev. 699 ft)
Last Update:
4:10 pm EDT Oct 12, 2026
Forecast Valid:
8pm EDT Oct 12, 2026-6pm EDT Oct 19, 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