Garwood, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Garwood, a borough in Union County, New Jersey.
Overnight
63°F
Partly Cloudy
Partly cloudy. Low around 63, with temperatures rising to around 65 overnight. North wind around 3 mph.
7-day forecast for Garwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Partly Cloudy | 3 mph N | 0% |
| Tuesday | 84°F | Mostly Sunny | 5 mph E | 0% |
| Tuesday Night | 67°F | Mostly Cloudy | 3 mph E | 4% |
| Wednesday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph E | 41% |
| Wednesday Night | 72°F | Chance Showers And Thunderstorms | 5 mph S | 30% |
| Thursday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph SW | 39% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph SW | 41% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph SW | 44% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 44% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph W | 38% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 2 to 7 mph W | 38% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph W | 15% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 mph SW | 15% |
| Monday | 91°F | Mostly Sunny | 3 to 10 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov) for Garwood (40.651, -74.323). Updated through the day.
Growing snapshot for Garwood
Last spring frost
Apr 11
First fall frost
Oct 31
Growing season
202 days
Hardiness zone
7a
More local growing data for Garwood: nearby ZIP 07027 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Chatham
Connecticut Farms
Cranford
Elizabeth
Fanwood
Kean University
Kenilworth
Linden
Mountainside
New Providence
North Plainfield
Plainfield
Rahway
Roselle
Roselle Park
Summit
Union
Vauxhall
Westfield
Climate data from the nearest NOAA station, Cranford, Nj (1.1 mi from Garwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.