Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather USTrenton
Forecast confidence: High · models disagree by 1°F

Trenton weather

Loading live data…

Cloudy,cooler tomorrow

NWS, the American and the European model agree on a high near 83° in Trenton today. Tomorrow looks cloudy around 73°, with a 3% chance of rain.

83°68°
73°60°
74°61°
69°59°
63°56°
64°54°
Todaymodels agreeTomorrowmodels agreeSundaysplit ±9°Mondaymodels agreeTuesdaymodels agreeWednesdaymodels agree
NWSNational Blend (NBM)
83°
Light drizzle
Today 83°·Low 67°·Rain 6%
AmericanNOAA GFS
84°
Cloudy
Today 84°·Low 67°·Rain 6%
EuropeanECMWF
83°
Cloudy
Today 83°·Low 70°·Rain 47%
CheckWeather.io on iPhoneFree. No ads, no account.

Trenton weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Trenton…

Trenton weather in numbers

from 30 years of measured normals

Trenton swings 59°F across the year, from 89°F highs in July to 30°F lows in February, and March is usually the wettest month in a year that brings about 46 in of precipitation.

Warmest month
July
89°F average high
Coldest month
February
30°F average low
Wettest month
March
46 in a year
Below freezing
2 months
January and February
Comfortable
4 months
April, May, September and October
Residents
90,000
share this forecast

The weather map: all three models at once

NWS, American, European side by side around Trenton and nearby towns.Live rain radar →
Loading the three model maps…

Trenton hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

Loading the three models…

Trenton 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
83° 68°
models agree
Tomorrow
Cloudy
73° 60°
models agree
Sun
Heavy drizzle
74° 61°
±9°
Mon
Heavy drizzle
69° 59°
models agree
Tue
Drizzle
63° 56°
models agree
Wed
Light drizzle
64° 54°
models agree
Thu
Light drizzle
63° 54°
±5°
Fri
Drizzle
69° 54°
±9°
Sat
Cloudy
70° 54°
models agree
Sun
Partly cloudy
72° 55°
±6°
Mon
Light drizzle
74° 55°
±5°
Tue
Light drizzle
77° 57°
models agree
Wed
Rain
77° 60°
models agree
Thu
Light drizzle
69° 55°
±5°

Trenton, New Jersey (NJ) is at its warmest in Jul (average highs near 89°F) and coldest in Feb (lows around 30°F), with roughly 46 in of precipitation across the year. Below, compare what NWS, American, European forecast for Trenton right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Trenton climate by month

average daytime high and overnight low across a typical year
Jan
46°
31°
Feb
48°
30°
Mar
54°
36°
Apr
65°
45°
May
73°
53°
Jun
84°
63°
Jul
89°
70°
Aug
84°
67°
Sep
77°
61°
Oct
70°
50°
Nov
56°
40°
Dec
46°
32°

Which forecast is most accurate in Trenton?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
94
/100rank #1
92±0.8°F97±1.0 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
60
/100rank #2
80±2.0°F94±1.9 mph1352% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
Loading ratings…
AmericanNOAA GFS
Loading ratings…
EuropeanECMWF
Loading ratings…

One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°83° to 84°±41%6% to 47% chance
Tomorrow±1°73° to 74°±3%0% to 3% chance
Sun±9°70° to 78°±18%70% to 88% chance
Mon±3°68° to 71°±10%70% to 80% chance
Tue±3°62° to 64°±19%14% to 33% chance

The models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Trenton

today, local time
Sunrise
06:42
Sunset
19:02
Daylight
12h 20m

Common questions

What's the weather in Trenton today?
On this page we show what NWS, American, European each forecast for Trenton today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Trenton today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Trenton and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Trenton?
Over the last 30 days, the European model has been the most accurate for Trenton (CheckWeather Score 94/100), ahead of the American at 60. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Trenton?
July is typically the warmest month in Trenton, with average highs around 89°F.
How cold does Trenton get?
The coldest month in Trenton is February, when overnight lows average about 30°F.
How much rain does Trenton get?
Trenton sees roughly 46 in of precipitation a year, with March usually the wettest month.

Nearby

More US weather