Lawrenceville, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lawrenceville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle37%—88°71°—
- SundayJul 5Heavy Drizzle39%0.08″85°69°-3°
- MondayJul 6Drizzle89%0.09″80°64°-5°
- TuesdayJul 7Thunderstorm68%0.01″77°64°-3°
- WednesdayJul 8Drizzle36%0.02″72°64°-5°
- ThursdayJul 9Drizzle23%0.11″78°60°+6°
- FridayJul 10Heavy Drizzle69%0.01″82°64°+4°
AQI 52 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 45. Overcast through the UV peak window (cloud cover ~98%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 45. Overcast through the UV peak window (cloud cover ~98%) — afternoon ozone should stay flat.
- Present
- AQI 45
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:05 PM
- Moonset
- 10:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lawrenceville at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 16929
16-Day Forecast — Lawrenceville
- Sat88°71°37%
- Sun85°69°39%
- Mon80°64°89%
- Tue77°64°68%
- Wed72°64°36%
- Thu78°60°23%
- Fri82°64°69%
- Sat75°63°33%
- Sun73°57°24%
- Mon78°54°35%
- Tue76°55°30%
- Wed81°53°32%
- Thu80°59°47%
- Fri86°59°45%
- Sat84°64°54%
- Sun75°68°36%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Lawrenceville
SPC has placed Lawrenceville in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Lawrenceville
- 16929