Plainfield, NJ Weather & Growing Conditions
Overnight
57°F
Mostly Cloudy
Mostly cloudy. Low around 57, with temperatures rising to around 60 overnight. Northeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Cloudy | 7 mph NE | 0% |
| Saturday | 72°F | Partly Sunny | 8 mph E | 1% |
| Saturday Night | 60°F | Mostly Cloudy then Slight Chance Light Rain | 6 mph SE | 17% |
| Sunday | 72°F | Rain | 6 mph SE | 90% |
| Sunday Night | 57°F | Rain Likely | 3 to 8 mph SW | 73% |
| Monday | 68°F | Chance Light Rain then Partly Sunny | 7 to 10 mph NE | 35% |
| Monday Night | 52°F | Mostly Cloudy then Chance Rain Showers | 6 to 10 mph NE | 25% |
| Tuesday | 63°F | Chance Rain Showers | 12 mph NE | 31% |
| Tuesday Night | 51°F | Chance Rain Showers | 9 to 13 mph NE | 25% |
| Wednesday | 63°F | Slight Chance Rain Showers | 15 mph NE | 24% |
| Wednesday Night | 51°F | Chance Rain Showers | 14 mph NE | 32% |
| Thursday | 62°F | Chance Rain Showers | 12 to 16 mph NE | 33% |
| Thursday Night | 50°F | Chance Rain Showers | 13 mph NE | 35% |
| Friday | 65°F | Chance Rain Showers | 13 mph N | 32% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plainfield, NJ
Last spring frost
Apr 11
First fall frost
Oct 28
Growing season
198 days
Hardiness zone
7a
Explore more for Plainfield, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Plainfield, Nj (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.