Jersey City, New Jersey Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Jersey City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Overcast——93°62°—
- SaturdayJun 6Overcast34%—96°65°+3°
- SundayJun 7Light Drizzle34%0.04″83°67°-13°
- MondayJun 8Clear——72°60°-11°
- TuesdayJun 9Overcast——78°61°+6°
- WednesdayJun 10Overcast17%—76°67°-2°
- ThursdayJun 11Overcast24%—74°66°-2°
AQI 67 (Moderate), driven by PM2.5. AQI up 11 over the last 6 hours (gradual rise). PM2.5 at 30.7 µg/m³ (AQI 91) with a 0.97 fine-to-coarse ratio and 5 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
PM × Wind × Precip
PM2.5 at 30.7 µg/m³ (AQI 91) with a 0.97 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
NO₂ × Time of day
NO₂ at AQI 38 during morning rush — typical of weekday commute emissions; expect a midday dip by 1 PM.
- Present
- AQI 38
- Phase
- morning rush
- 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
- 1:59 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Jersey City at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- 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 — Jersey City
SPC has placed Jersey City in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
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 Jersey City's peak warmth at around 78°F mean temperature, while January delivers the year's coldest readings near 34°F. Precipitation follows a different pattern, with July recording the highest rainfall at 4.6 inches and February seeing the least at 3.2 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 34° | 3.6″ | 6 |
| February | 36° | 3.2″ | 6 |
| March | 43° | 4.3″ | 8 |
| April | 54° | 4.1″ | 7 |
| May | 63° | 4.0″ | 7 |
| June | 72° | 4.5″ | 7 |
| July | 78° | 4.6″ | 7 |
| August | 76° | 4.6″ | 7 |
| September | 69° | 4.3″ | 6 |
| October | 58° | 4.4″ | 6 |
| November | 48° | 3.6″ | 6 |
| December | 39° | 4.4″ | 7 |
Regional context
Jersey City falls within the warm-summer humid continental climate zone, sharing temperature ranges and seasonal weather patterns with other cities in this regional climate type.
Similar climates: Trenton, NJ, Newark, NJ, Paterson, NJ, Elizabeth, NJ, Clifton, NJ.
Naturalist notes
Late May brings the peak migration of warblers through Jersey City, with yellow warblers and American redstarts appearing in local parks and green spaces.
Serviceberry trees typically bloom in mid to late April, their white flowers emerging just as the last frost risk passes.
Frequently asked
- When does it freeze in Jersey City?
- Spring's final frost usually occurs around mid-April in Jersey City, while the first fall frost typically arrives around mid-November.
- What is the rainy season in Jersey City?
- July receives the most rainfall, averaging about 4.6 inches, contributing to the city's annual total of roughly 50 inches.
- What is the warmest month in Jersey City?
- July typically records the highest temperatures, with averages around 78°F.
- What is the coldest month in Jersey City?
- January brings the coldest temperatures, averaging about 34°F.
- When can I start a vegetable garden in Jersey City?
- Plant cool-season crops like peas and lettuce around the last spring frost in mid-April, but wait 1–2 weeks later for warm-season varieties like tomatoes and peppers.
- How many rainy days does Jersey City get?
- Jersey City experiences approximately 79 rainy days throughout the year.
- What hardiness zone is Jersey City?
- Check the USDA's online zone lookup tool using Jersey City's ZIP code to find the current hardiness zone, which reflects the area's lowest average winter temperatures.
Climate
Jersey City, New Jersey experiences a warm-summer humid continental climate zone. Temperatures range from January lows near 34°F to July highs around 78°F — creating a 44°F seasonal swing.
Annual precipitation totals about 50 inches, distributed across roughly 79 rainy days throughout the year.
Geography drives the weather patterns here: latitude at 40.7°N, nearby water bodies, and local elevation all influence plant growth cycles, frost timing, and daily weather conditions.
Beaches near Jersey City
- Jacob Riis Beach14.5 mi
- Rockaway Beach Beach15.4 mi
- Long Beach NY Beach23.3 mi
Each linked page shows live water temperature, wave height, swim and surf verdicts, tides, and rip-current risk from NDBC + NOAA + NWS data.