Union City, NJ Weather & Growing Conditions
This Afternoon
72°F
Partly Sunny
Partly sunny, with a high near 72. Southeast wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Partly Sunny | 8 mph SE | 1% |
| Tonight | 62°F | Mostly Cloudy | 6 to 9 mph SE | 11% |
| Sunday | 73°F | Rain Showers then Rain | 7 to 13 mph SE | 86% |
| Sunday Night | 61°F | Rain then Rain Showers Likely | 7 to 14 mph SW | 81% |
| Monday | 69°F | Chance Rain Showers | 9 to 14 mph NE | 26% |
| Monday Night | 56°F | Chance Rain Showers | 12 mph NE | 29% |
| Tuesday | 65°F | Chance Rain Showers | 13 mph NE | 29% |
| Tuesday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 14 mph NE | 29% |
| Wednesday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 14 to 17 mph NE | 17% |
| Wednesday Night | 54°F | Slight Chance Rain Showers | 14 to 17 mph NE | 21% |
| Thursday | 65°F | Chance Rain Showers | 17 mph NE | 30% |
| Thursday Night | 53°F | Chance Rain Showers | 18 mph NE | 36% |
| Friday | 66°F | Chance Rain Showers | 16 to 20 mph N | 38% |
| Friday Night | 55°F | Chance Rain Showers | 15 to 18 mph N | 36% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Union City, NJ
Last spring frost
Mar 30
First fall frost
Nov 20
Growing season
236 days
Hardiness zone
7b
Explore more for Union City, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, New York Cntrl Pk Twr, Ny (3.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.