Kenilworth, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kenilworth, a borough in Union County, New Jersey.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. East wind around 5 mph.
7-day forecast for Kenilworth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 67°F | Mostly Cloudy | 5 mph NE | 4% |
| Wednesday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph E | 39% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 29% |
| Thursday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph SW | 40% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph SW | 42% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph SW | 44% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 43% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph W | 37% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 3 to 7 mph W | 37% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph W | 15% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 mph SW | 15% |
| Monday | 90°F | Mostly Sunny | 3 to 10 mph W | 9% |
| Monday Night | 72°F | Partly Cloudy | 5 to 9 mph W | 12% |
Forecast source: National Weather Service (api.weather.gov) for Kenilworth (40.678, -74.288). Updated through the day.
Growing snapshot for Kenilworth
Last spring frost
Apr 11
First fall frost
Oct 31
Growing season
202 days
Hardiness zone
7a
More local growing data for Kenilworth: nearby ZIP 07033 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Chatham
Connecticut Farms
Cranford
Elizabeth
Fanwood
Garwood
Kean University
Linden
Mountainside
New Providence
North Plainfield
Plainfield
Rahway
Roselle
Roselle Park
Summit
Union
Vauxhall
Westfield
Climate data from the nearest NOAA station, Cranford, Nj (2 mi from Kenilworth). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.