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 4Drizzle57%0.03″90°71°—
- SundayJul 5Light Rain66%0.13″86°67°-4°
- MondayJul 6Heavy Drizzle77%0.13″71°62°-15°
- TuesdayJul 7Light Drizzle41%—77°58°+6°
- WednesdayJul 8Overcast——84°58°+7°
- ThursdayJul 9Drizzle43%—85°62°+1°
- FridayJul 10Light Drizzle44%0.01″77°63°-8°
AQI 42 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 49 now. With UV 4.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 20 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 6 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 49 now. With UV 4.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 20 around 1 PM.
- Present
- AQI 49
- UV peak
- 4.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 20
PM × Wind × Precip
PM2.5 at 7.3 µg/m³, PM10 at 7.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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: 8°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
- Sat90°71°57%
- Sun86°67°66%
- Mon71°62°77%
- Tue77°58°41%
- Wed84°58°8%
- Thu85°62°43%
- Fri77°63°44%
- Sat82°65°27%
- Sun77°63°31%
- Mon71°62°23%
- Tue78°62°26%
- Wed86°63°35%
- Thu88°65°30%
- Fri87°68°52%
- Sat81°67°43%
- Sun82°62°33%
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