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Current conditions at
Morristown Airport (KMMU)
Lat: 40.8°NLon: 74.42°WElev: 187ft.
Clear
41°F
5°C
| Humidity | 36% |
| Wind Speed | N 5 mph |
| Barometer | 30.26 in |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 38°F (3°C) |
| Last update | 14 Mar 9:00 pm EDT |
Extended Forecast for
Mountainside NJ
Tonight

Low: 33 °F
Partly Cloudy
Sunday

High: 49 °F
Partly Sunny
Sunday Night
Low: 43 °F⇑
Chance
Showers then
ShowersMonday

High: 65 °F
Heavy Rain
and BreezyMonday Night
Low: 31 °F
Breezy. Heavy
Rain then
Rain/SnowTuesday
High: 38 °F
Chance Snow
Showers then
Partly SunnyTuesday Night

Low: 24 °F
Partly Cloudy
Wednesday

High: 39 °F
Mostly Sunny
Wednesday Night

Low: 29 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 33. Northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Sunday
Partly sunny, with a high near 49. Southeast wind 6 to 14 mph.
Sunday Night
Showers, mainly after 2am. Temperature falling to near 43 by 9pm, then rising to around 51 during the remainder of the night. Southeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 65. Breezy, with a south wind 14 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers before 2am, then a chance of rain and snow showers. The rain could be heavy at times. Some thunder is also possible. Low around 31. Breezy, with a south wind 20 to 22 mph becoming west after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday
A 30 percent chance of snow showers before 8am. Increasing clouds, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 51.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 52.
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)
7:50 pm EDT Mar 14, 2026
9pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026


