Lambertville, New Jersey Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lambertville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain60%1.2″98°72°—
- SundayJul 5Heavy Rain61%0.74″91°72°-7°
- MondayJul 6Thunderstorm92%0.33″79°71°-12°
- TuesdayJul 7Drizzle87%0.03″74°65°-5°
- WednesdayJul 8Light Drizzle23%—79°62°+5°
- ThursdayJul 9Overcast10%—89°65°+10°
- FridayJul 10Light Drizzle43%0.01″87°70°-2°
AQI 105 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 48 in the last 6 hours — air quality is degrading. Ozone at AQI 81. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 81. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 81
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 5.2 µg/m³, PM10 at 5.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.98
- Wind
- light
- Recent rain
- 1h 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
- 10:54 PM
- Moonset
- 10:03 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lambertville at a glance
- Today vs. normal: 26°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 08530
16-Day Forecast — Lambertville
- Sat98°72°60%
- Sun91°72°61%
- Mon79°71°92%
- Tue74°65°87%
- Wed79°62°23%
- Thu89°65°10%
- Fri87°70°43%
- Sat86°71°34%
- Sun84°66°27%
- Mon82°65°24%
- Tue87°66°19%
- Wed88°63°40%
- Thu89°67°48%
- Fri93°70°43%
- Sat91°70°45%
- Sun89°72°46%
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 — Lambertville
SPC has placed Lambertville in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- 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 Lambertville
- 08530