Kean University, New Jersey Weather
Night falls a minute earlier. Day 43 of summer. Read this microseason across nine climate regions →
Kean University weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Overcast17%—86°73°—
- MondayAug 3Showers53%0.23″86°74°0°
- TuesdayAug 4Overcast15%—83°66°-3°
- WednesdayAug 5Thunderstorm25%0.35″84°73°+1°
- ThursdayAug 6Light Drizzle47%—91°72°+7°
- FridayAug 7Heavy Showers38%1.2″97°75°+6°
- SaturdayAug 8Light Drizzle45%—93°74°-4°
AQI 55 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.1 µg/m³, PM10 at 13.0 µg/m³ — typical background levels with no transport signature.
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 48 now. With UV 5.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 24.
- Present
- AQI 48
- UV peak
- 5.2 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 24
PM × Wind × Precip
PM2.5 at 10.1 µg/m³, PM10 at 13.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.78
- Wind
- breezy
- 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).








































Red sky at night, sailor's delight.
- Moonrise
- 9:40 PM
- Moonset
- 10:00 AM
- In sign
- ♓︎ Pisces
Night falls a minute earlier
Kean University at a glance
- Today vs. normal: 21°F above the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
16-Day Forecast — Kean University
- Sun86°73°17%
- Mon86°74°53%
- Tue83°66°15%
- Wed84°73°25%
- Thu91°72°47%
- Fri97°75°38%
- Sat93°74°45%
- Sun96°76°36%
- Mon96°80°26%
- Tue88°76°18%
- Wed84°70°15%
- Thu82°71°41%
- Fri88°74°45%
- Sat81°75°36%
- Sun96°74°34%
- Mon89°76°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of August 2, 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 — Kean University
SPC has placed Kean University in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- 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.
Sun & seasons in Kean University
Kean University sits in Union County, where the year’s longest day runs 15h 5m of daylight and its shortest just 9h 15m — a swing of +5h 50m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Trenton, the state’s largest city, lies about 42 miles to the SW. The nearest town Kean University tracks is Elizabeth, roughly 2 miles to the ESE.
Air quality in Kean University’s county has trended cleaner since 2020; its cleanest year on record was 2024 (median AQI 43). See the full air-quality history for Kean University.
Microseason · August 1–5
Night falls a minute earlier
Sunset retreats perceptibly — daylight shortening speeds up.
Day 214 of 365 · Wedge 43 of 72
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
Kean University's warmest month is July (~75°F mean) and its coldest is January (~29°F). Rainfall peaks in December (4.3 inches) and bottoms out in February (3.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 29° | 3.6″ | 13 |
| February | 31° | 3.0″ | 13 |
| March | 39° | 3.8″ | 16 |
| April | 51° | 4.1″ | 17 |
| May | 59° | 3.9″ | 18 |
| June | 69° | 3.9″ | 17 |
| July | 75° | 3.8″ | 17 |
| August | 74° | 4.2″ | 17 |
| September | 67° | 3.7″ | 14 |
| October | 57° | 3.3″ | 12 |
| November | 43° | 3.9″ | 13 |
| December | 34° | 4.3″ | 13 |
Frequently asked
- When does it freeze in Kean University?
- Frost typically leaves Kean University by mid-April and returns to Kean University near mid-November.
- What is the rainy season in Kean University?
- December is the wettest month in Kean University, about 4.3 inches on average; the year totals roughly 45 inches.
- What is the warmest month in Kean University?
- On average July tops the year in Kean University at about 75°F.
- What is the coldest month in Kean University?
- The coldest stretch in Kean University falls in January, around 29°F on average.
- When can I start a vegetable garden in Kean University?
- Around mid-April, start frost-hardy crops in Kean University; tomatoes and basil belong a fortnight later.
- How many rainy days does Kean University get?
- Kean University records around 180 days of measurable precipitation annually.
- What hardiness zone is Kean University?
- Because Kean University bottoms near 29°F in January, that winter low sets Kean University's USDA zone — verify by ZIP.
- What is the 10-day forecast for Kean University?
- Kean University's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Kean University?
- See this week's day-by-day rain chances for Kean University in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Kean University?
- Current conditions for Kean University and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Kean University forecast updated?
- The Kean University forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Kean University?
- Today's sunrise and sunset times for Kean University are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Kean University?
- The next few days in Kean University's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The warm-summer humid continental climate of Kean University, New Jersey carries typical Januarys near 29°F and Julys around 75°F — 46°F of seasonal travel.
Kean University sees close to 45 inches of precipitation annually, falling across some 180 wet days.
From 40.7°N, Kean University sees a 46°F seasonal swing that governs Kean University's planting and frost windows.
Beaches near Kean University
- Jacob Riis Beach20.2 mi
- Rockaway Beach21.8 mi
Each linked page shows live water temperature, wave height, swim and surf verdicts, tides, and rip-current risk from NDBC + NOAA + NWS data.
ZIP codes in Kean University
- 07083
- 07205