Lawrenceville, PA Weather & Growing Conditions
This Afternoon
69°F
Partly Sunny
Partly sunny, with a high near 69. South wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Partly Sunny | 9 mph S | 1% |
| Tonight | 58°F | Mostly Cloudy then Rain Showers | 9 mph S | 81% |
| Thursday | 69°F | Rain Showers Likely then Partly Sunny | 7 to 12 mph SW | 64% |
| Thursday Night | 47°F | Mostly Clear then Patchy Fog | 1 to 5 mph SW | 0% |
| Friday | 62°F | Patchy Fog then Partly Sunny | 1 to 6 mph SW | 7% |
| Friday Night | 43°F | Rain Showers Likely | 3 mph W | 56% |
| Saturday | 51°F | Rain Showers Likely | 3 to 9 mph W | 56% |
| Saturday Night | 37°F | Chance Rain Showers | 9 mph NW | 48% |
| Sunday | 54°F | Partly Sunny | 10 mph W | 9% |
| Sunday Night | 36°F | Partly Cloudy then Slight Chance Rain Showers | 9 mph W | 15% |
| Monday | 53°F | Slight Chance Rain Showers | 8 to 13 mph W | 15% |
| Monday Night | 35°F | Partly Cloudy | 7 mph W | 1% |
| Tuesday | 58°F | Mostly Sunny then Slight Chance Rain Showers | 7 to 12 mph W | 15% |
| Tuesday Night | 34°F | Slight Chance Rain Showers | 2 to 7 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lawrenceville, PA
Last spring frost
May 9
First fall frost
Oct 12
Growing season
155 days
Hardiness zone
6a
Explore more for Lawrenceville, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Cowanesque Dam, Pa (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.