Current conditions at
Morristown Airport (KMMU)
Lat: 40.8°NLon: 74.42°WElev: 187ft.
Fog/Mist
41°F
5°C
| Humidity | 100% |
| Wind Speed | E 3 mph |
| Barometer | 30.42 in |
| Dewpoint | 41°F (5°C) |
| Visibility | 3.00 mi |
| Last update | 3 Apr 2:15 am EDT |
Extended Forecast for
Mountainside NJ
Overnight

Low: 40 °F
Slight Chance
Showers and
Patchy FogFriday
High: 73 °F
Patchy Fog
then Partly
SunnyFriday Night

Low: 58 °F
Partly Cloudy
Saturday
High: 74 °F
Mostly Sunny
then Chance
ShowersSaturday Night

Low: 50 °F
Chance
ShowersSunday

High: 70 °F
Showers
Sunday Night

Low: 40 °F
Mostly Cloudy
Monday

High: 55 °F
Mostly Sunny
Monday Night

Low: 38 °F
Partly Cloudy
Detailed Forecast
Overnight
A 20 percent chance of showers before 5am. Patchy fog. Otherwise, cloudy, with a low around 40. East wind around 6 mph.
Friday
Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 58. Southwest wind 6 to 8 mph.
Saturday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50. East wind 8 to 11 mph.
Sunday
Showers. High near 70. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Mostly clear, with a low around 30.
Wednesday
Sunny, with a high near 53.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 64.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mountainside NJ
40.69°N 74.37°W (Elev. 417 ft)
40.69°N 74.37°W (Elev. 417 ft)
2:20 am EDT Apr 3, 2026
4am EDT Apr 3, 2026-6pm EDT Apr 9, 2026


