Trenton is located in the United States with varying weather patterns throughout the year. Plan your visit to Trentonwith our accurate weather forecasts, including hourly updates, 7-day predictions, and real-time conditions. Whether you're a local or visitor, stay prepared for whatever weather the United States brings.
The New Jersey Department of Environmental Protection has issued
a code orange air quality alert Wednesday for Monmouth County.
A code orange air quality alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children...people
suffering from asthma... heart disease or other lung
diseases...and the elderly. The effects of air pollution can
be minimized by avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone and fine
particles...visit http://www.state.nj.us/dep/
Western Monmouth; Eastern Monmouth
Weather Forecast for Trenton
37°/ 20°
Sunny
Updated now
Rain Chance
3%
Humidity
59%
Max Wind
20 km/h
Avg Temp
28°C
Sunrise
05:41 AM
Sunset
08:28 PM
Hourly Breakdown
Morning (6AM - 12PM)
25°C10%
06:00 am
20°
07:00 am
21°
08:00 am
23°
09:00 am
25°
10:00 am
27°
11:00 am
33°
Afternoon (12PM - 6PM)
36°C1%
12:00 pm
35°
01:00 pm
36°
02:00 pm
36°
03:00 pm
37°
04:00 pm
37°
05:00 pm
36°
Evening (6PM - 12AM)
30°C8%
06:00 pm
36°
07:00 pm
34°
08:00 pm
30°
09:00 pm
28°
10:00 pm
27°
11:00 pm
28°
Night (12AM - 6AM)
21°C10%
12:00 am
22°
01:00 am
22°
02:00 am
21°
03:00 am
20°
04:00 am
20°
05:00 am
20°
Hourly Forecast
Extended Forecast
Today
Sunny
3%
20 km/h
37°20°
Wed, 15 Jul
Sunny
UV Index
0 Low
Precipitation
0 mm
From: 2026/07/14, 19:45:00
Until: 2026/07/16, 04:00:00
Extreme Heat WarningSevere
* WHAT...Dangerously hot conditions with heat index values up to 107
degrees expected.
* WHERE...Eastern Monmouth County.
* WHEN...From 10 AM to 8 PM EDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
If you do not have air conditioning in your home or lack shelter,
you can call 211 or visit your county or state health department
website for assistance locating appropriate shelter from the heat.
* WHAT...Dangerously hot conditions with heat index values up to 106
expected.
* WHERE...Eastern Monmouth County.
* WHEN...From 10 AM to 8 PM EDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
If you do not have air conditioning in your home or lack shelter,
you can call 211 or visit your county or state health department
website for assistance locating appropriate shelter from the heat.
The New Jersey Department of Environmental Protection has issued
a code orange air quality alert Wednesday for Middlesex and
Mercer Counties in New Jersey.
A code orange air quality alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children...people
suffering from asthma... heart disease or other lung
diseases...and the elderly. The effects of air pollution can
be minimized by avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone and fine
particles...visit http://www.state.nj.us/dep/