Newark, New Jersey Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Newark weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——89°59°—
- FridayJun 5Overcast——94°63°+5°
- SaturdayJun 6Drizzle46%0.01″95°67°+1°
- SundayJun 7Showers46%0.42″84°68°-11°
- MondayJun 8Clear——79°61°-5°
- TuesdayJun 9Overcast——85°61°+6°
- WednesdayJun 10Overcast10%—88°66°+3°
AQI 96 (Moderate), driven by PM2.5. AQI up 14 over the last 6 hours (gradual rise). PM2.5 at 18.6 µg/m³ (AQI 69) with a 0.92 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
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 30. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 18.6 µg/m³ (AQI 69) with a 0.92 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
NO₂ × Time of day
NO₂ at AQI 28 during overnight — within the expected overnight baseline, no source signature.
- Present
- AQI 28
- Phase
- overnight calm
- Pattern
- traffic typical
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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:57 AM
- Moonset
- 2:00 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Newark at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 5, 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 — Newark
SPC has placed Newark in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
July brings Newark's highest temperatures at around 78°F mean, while January delivers the coldest at approximately 32°F. June sees peak rainfall at 4.9 inches, with February marking the driest period at 3.3 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 32° | 3.7″ | 7 |
| February | 34° | 3.3″ | 6 |
| March | 41° | 4.3″ | 7 |
| April | 52° | 4.1″ | 7 |
| May | 63° | 4.4″ | 8 |
| June | 72° | 4.9″ | 7 |
| July | 78° | 4.8″ | 6 |
| August | 76° | 4.4″ | 7 |
| September | 69° | 4.3″ | 6 |
| October | 57° | 4.2″ | 6 |
| November | 46° | 3.6″ | 6 |
| December | 37° | 4.6″ | 8 |
Regional context
Newark falls within the warm-summer humid continental climate region. This classification groups the city with nearby areas that experience similar temperature ranges, seasonal cycles, and growing conditions.
Similar climates: Trenton, NJ, Jersey City, NJ, Paterson, NJ, Elizabeth, NJ, Clifton, NJ.
Naturalist notes
Red maple flowers emerge in late March, their crimson clusters appearing weeks before the leaves unfurl.
American robins begin their dawn chorus around mid-April, signaling the approach of consistent spring weather.
Frequently asked
- When does it freeze in Newark?
- Spring's final frost in Newark typically occurs around mid-April, while the first fall frost returns around mid-November.
- What is the rainy season in Newark?
- June stands as the wettest month, delivering about 4.9 inches of rain on average, contributing to the city's annual total of roughly 50 inches.
- What is the warmest month in Newark?
- July typically brings the warmest weather, with average temperatures around 78°F.
- What is the coldest month in Newark?
- January typically delivers the coldest conditions, averaging about 32°F.
- When can I start a vegetable garden in Newark?
- Cool-season crops like peas and lettuce can be planted around the last spring frost in mid-April, while warm-season crops such as tomatoes and peppers should wait 1–2 weeks after that date.
- How many rainy days does Newark get?
- Newark sees rain on about 79 days per year on average.
- What hardiness zone is Newark?
- Newark's USDA hardiness zone depends on its lowest average winter temperatures. Use the USDA's online lookup tool with the city ZIP code to find the current zone designation.
Climate
Newark, New Jersey experiences a warm-summer humid continental climate. January temperatures typically hover near 32°F, while July averages reach 78°F, creating a 46°F seasonal swing.
Throughout the year, Newark collects about 50 inches of precipitation across roughly 79 rainy days.
Weather patterns here follow the city's latitude at 40.7°N, along with the influence of nearby water bodies and local elevation. These factors determine growing seasons, frost timing, and daily weather conditions.
Beaches near Newark
- Jacob Riis Beach18.9 mi
- Rockaway Beach Beach20.2 mi
- Long Beach NY Beach28.5 mi
Each linked page shows live water temperature, wave height, swim and surf verdicts, tides, and rip-current risk from NDBC + NOAA + NWS data.