Roselle Park, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roselle Park, a borough in Union County, New Jersey.
Today
72°F
Partly Sunny
Partly sunny. High near 72, with temperatures falling to around 70 in the afternoon. East wind 7 to 10 mph.
7-day forecast for Roselle Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Partly Sunny | 7 to 10 mph E | 1% |
| Tonight | 62°F | Mostly Cloudy | 6 to 9 mph SE | 14% |
| Sunday | 73°F | Rain | 8 mph SE | 89% |
| Sunday Night | 59°F | Rain | 5 to 12 mph S | 76% |
| Monday | 68°F | Chance Light Rain then Mostly Cloudy | 8 to 13 mph NE | 36% |
| Monday Night | 54°F | Mostly Cloudy then Chance Rain Showers | 7 to 10 mph NE | 26% |
| Tuesday | 63°F | Chance Rain Showers | 13 mph NE | 31% |
| Tuesday Night | 52°F | Chance Rain Showers | 13 mph NE | 26% |
| Wednesday | 64°F | Slight Chance Rain Showers | 16 mph NE | 23% |
| Wednesday Night | 52°F | Chance Rain Showers | 15 mph NE | 31% |
| Thursday | 63°F | Chance Rain Showers | 14 to 17 mph NE | 33% |
| Thursday Night | 52°F | Chance Rain Showers | 12 to 16 mph N | 36% |
| Friday | 65°F | Chance Rain Showers | 14 mph N | 34% |
| Friday Night | 53°F | Chance Rain Showers | 10 to 14 mph N | 31% |
Forecast source: National Weather Service (api.weather.gov) for Roselle Park (40.665, -74.267). Updated through the day.
Growing snapshot for Roselle Park
Last spring frost
Apr 11
First fall frost
Oct 31
Growing season
202 days
Hardiness zone
7b
More local growing data for Roselle Park: nearby ZIP 07204 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Chatham
Connecticut Farms
Cranford
Elizabeth
Fanwood
Garwood
Kean University
Kenilworth
Linden
Mountainside
New Providence
North Plainfield
Plainfield
Rahway
Roselle
Summit
Union
Vauxhall
Westfield
Climate data from the nearest NOAA station, Cranford, Nj (3 mi from Roselle Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.