Hazardous Weather Conditions
Current conditions at
Morristown Airport (KMMU)
Lat: 40.8°NLon: 74.42°WElev: 187ft.
Light Snow
23°F
-5°C
| Humidity | 86% |
| Wind Speed | N 18 G 28 mph |
| Barometer | 29.65 in |
| Dewpoint | 19°F (-7°C) |
| Visibility | 7.00 mi |
| Wind Chill | 9°F (-13°C) |
| Last update | 1 Jan 6:46 am EST |
Extended Forecast for
Mountainside NJ
New Year's Day

High: 29 °F
Becoming
SunnyTonight

Low: 18 °F
Mostly Cloudy
Friday

High: 31 °F
Partly Sunny
Friday Night

Low: 20 °F
Mostly Clear
Saturday

High: 33 °F
Partly Sunny
Saturday Night

Low: 23 °F
Mostly Cloudy
Sunday

High: 35 °F
Mostly Sunny
Sunday Night

Low: 18 °F
Partly Cloudy
Monday

High: 32 °F
Partly Sunny
Detailed Forecast
New Year's Day
Mostly cloudy through mid morning, then clearing, with a high near 29. Wind chill values between 15 and 20. Northwest wind 13 to 16 mph, with gusts as high as 32 mph.
Tonight
Mostly cloudy, with a low around 18. West wind around 6 mph.
Friday
Partly sunny, with a high near 31. Wind chill values between 10 and 20. West wind 6 to 10 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 20. West wind around 6 mph.
Saturday
Partly sunny, with a high near 33. West wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 44.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mountainside NJ
40.66°N 74.35°W (Elev. 141 ft)
40.66°N 74.35°W (Elev. 141 ft)
12:54 am EST Jan 1, 2026
7am EST Jan 1, 2026-6pm EST Jan 7, 2026



