Kean University, New Jersey Weather
Apples hang heavy on the branch. Day 93 of summer. Read this microseason across nine climate regions →
Kean University weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 1:00 AM EDT · Open-Meteo
- TodaySep 21Light Drizzle38%0.07″72°60°—
- TuesdaySep 22Overcast32%—67°56°-5°
- WednesdaySep 23Overcast——67°54°0°
- ThursdaySep 24Overcast——69°53°+2°
- FridaySep 25Overcast41%—72°55°+3°
- SaturdaySep 26Drizzle41%0.13″69°59°-3°
- SundaySep 27Light Drizzle24%0.01″74°61°+5°
Air quality now AQI 49 · Good
AQI 49 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:31 PM
- Moonset
- 1:13 AM
- In sign
- ♑︎ Capricorn
Apples hang heavy on the branch
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Kean University at a glance
- Today vs. normal: Today averages 66°F (high 72°F, low 60°F), about the 65°F normal for Sep 21
- Last frost: April 2 (1991–2020 median, NOAA station 5 km away)
- Microseason: Sep 21–25
- Planting calendar: September — harvest tomatoes, peppers, beans, summer squash, winter squash
15-Day Forecast — Kean University
- Mon72°60°38%
- Tue67°56°32%
- Wed67°54°8%
- Thu69°53°8%
- Fri72°55°41%
- Sat69°59°41%
- Sun74°61°24%
- Mon74°57°9%
- Tue76°57°9%
- Wed81°62°16%
- Thu86°65°14%
- Fri77°63°10%
- Sat81°62°13%
- Sun80°69°23%
- Mon73°54°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Late season
As of September 21, the first frost (around November 10) is about 7 weeks away. Frost-tender plants keep producing until then. This city's planting calendar for September: harvest tomatoes, peppers, beans, summer squash, and winter squash.
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
Air quality in Kean University’s county has trended cleaner since 2020; its cleanest year on record was 2024 (median AQI 43).
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes | lettuce, spinach, radishes |
| May | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, garlic |
| July | tomatoes, peppers, beans, squash | beans, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash |
| September | — | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| November | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
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 |
|---|---|---|
| January | 29° | 3.6″ |
| February | 31° | 3.0″ |
| March | 39° | 3.8″ |
| April | 51° | 4.1″ |
| May | 59° | 3.9″ |
| June | 69° | 3.9″ |
| July | 75° | 3.8″ |
| August | 74° | 4.2″ |
| September | 67° | 3.7″ |
| October | 57° | 3.3″ |
| November | 43° | 3.9″ |
| December | 34° | 4.3″ |
Frequently asked
- When does it freeze in Kean University?
- Frost typically leaves Kean University by April 2 and returns to Kean University near November 10.
- 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 April 2, start frost-hardy crops in Kean University; tomatoes and basil belong a fortnight later.
- 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.
Kean University sits at 40.7°N; its climate zone is warm-summer humid continental (Köppen approximation).
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