Hazardous Weather Conditions
Current conditions at
Morristown Airport (KMMU)
Lat: 40.8°NLon: 74.42°WElev: 187ft.
Partly Cloudy
28°F
-2°C
| Humidity | 64% |
| Wind Speed | W 6 mph |
| Barometer | 29.78 in |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 31 Dec 4:50 pm EST |
Extended Forecast for
Mountainside NJ
Tonight

Low: 31 °F
Light Snow
LikelyNew Year's Day
High: 30 °F⇓
Snow Showers
Likely then
SunnyThursday Night

Low: 17 °F
Partly Cloudy
Friday

High: 31 °F
Mostly Sunny
Friday Night

Low: 20 °F
Mostly Clear
Saturday

High: 34 °F
Partly Sunny
Saturday Night

Low: 23 °F
Mostly Cloudy
Sunday

High: 36 °F
Mostly Sunny
Sunday Night

Low: 19 °F
Partly Cloudy
Detailed Forecast
Tonight
Light snow likely, mainly after 4am. Mostly cloudy, with a steady temperature around 31. Wind chill values between 20 and 25. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
New Year's Day
Snow showers likely, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 25 by 5pm. Wind chill values between 15 and 20. Northwest wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 17. Wind chill values between 10 and 15. West wind around 6 mph.
Friday
Mostly 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 34.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 43.
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)
1:50 pm EST Dec 31, 2025
5pm EST Dec 31, 2025-6pm EST Jan 7, 2026



