Weather by town
Mountainside, NJ weather
Mountainside is in Union County, New Jersey (population 6,885). This page shows the radar around Mountainside, the weather there right now, the next 24 hours and 10 days, any warning or advisory that covers it, and what our severe storm outlook, snow forecast and Nice Weather rankings say for it.
Nice Weather for Mountainside
Tuesday, November 10: 72 out of 100, Fair, #288 of 580 towns in New Jersey. New Jersey's Nice Weather rankings
Towns near Mountainside
- Westfield, NJ, 1 mile southeast
- Scotch Plains, NJ, 2 miles southwest
- Garwood, NJ, 2 miles southeast
- Fanwood, NJ, 3 miles southwest
- New Providence, NJ, 3 miles northwest
- Summit, NJ, 3 miles north
School districts near Mountainside
Snow Day Radar: Your school's chance of a snow day, delay, or virtual day, for every public school district in the lower 48. Odds, not announcements.
School closings and delays in Union County, when they are listed, are on School Closings.
Mountainside sits at 40.67° N, 74.36° W. This page adds context to official forecasts. Always follow warnings from the National Weather Service and your local officials.