Lawrenceville, NJ Weather & Growing Conditions
Overnight
63°F
Partly Cloudy
Partly cloudy, with a low around 63. North wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Partly Cloudy | 0 mph | 0% |
| Tuesday | 85°F | Mostly Sunny | 0 mph | 0% |
| Tuesday Night | 64°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 85°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph E | 53% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph S | 66% |
| Thursday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph SW | 28% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 33% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 47% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 38% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 38% |
| Sunday | 89°F | Mostly Sunny | 0 to 5 mph W | 14% |
| Sunday Night | 71°F | Mostly Clear | 0 to 5 mph W | 14% |
| Monday | 90°F | Sunny | 0 to 10 mph W | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lawrenceville, NJ
Last spring frost
Apr 17
First fall frost
Oct 28
Growing season
192 days
Hardiness zone
7a
Explore more for Lawrenceville, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Trenton State College, Nj (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.