Plainsboro Center, NJ Weather & Growing Conditions
Overnight
47°F
Patchy Fog
Patchy fog after 4am. Mostly clear, with a low around 47. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Patchy Fog | 5 mph SW | 2% |
| Wednesday | 75°F | Patchy Fog then Sunny | 0 to 5 mph SW | 2% |
| Wednesday Night | 57°F | Mostly Cloudy | 5 mph S | 3% |
| Thursday | 74°F | Chance Light Rain | 5 to 10 mph S | 33% |
| Thursday Night | 61°F | Light Rain | 0 to 5 mph SW | 76% |
| Friday | 69°F | Light Rain | 0 to 5 mph SW | 79% |
| Friday Night | 52°F | Light Rain Likely | 0 to 5 mph W | 79% |
| Saturday | 66°F | Chance Light Rain | 5 mph NW | 45% |
| Saturday Night | 40°F | Partly Cloudy | 5 mph NW | 13% |
| Sunday | 61°F | Mostly Sunny | 5 mph W | 11% |
| Sunday Night | 36°F | Partly Cloudy then Slight Chance Light Rain | 0 to 5 mph W | 17% |
| Monday | 61°F | Slight Chance Light Rain | 5 to 10 mph NW | 23% |
| Monday Night | 35°F | Slight Chance Light Rain | 5 mph W | 22% |
| Tuesday | 62°F | Slight Chance Light Rain then Sunny | 5 to 10 mph SW | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plainsboro Center, NJ
Last spring frost
Apr 25
First fall frost
Oct 16
Growing season
173 days
Hardiness zone
7a
Explore more for Plainsboro Center, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Hightstown 2 W, Nj (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.