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Forecast confidence: High · models disagree by 2°F

Union weather

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Cloudy,cooler tomorrow

NWS, the American and the European model agree on a high near 83° in Union today. Tomorrow looks cloudy around 72°, with a 2% chance of rain.

83°69°
72°59°
70°62°
68°59°
63°55°
63°53°
Todaymodels agreeTomorrowmodels agreeSundaysplit ±7°Mondaymodels agreeTuesdaymodels agreeWednesdaymodels agree
NWSNational Blend (NBM)
82°
Light drizzle
Today 82°·Low 70°·Rain 3%
AmericanNOAA GFS
84°
Cloudy
Today 84°·Low 67°·Rain 3%
EuropeanECMWF
82°
Cloudy
Today 82°·Low 71°·Rain 49%
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Union weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Union weather in numbers

from 30 years of measured normals

Union swings 59°F across the year, from 87°F highs in July to 28°F lows in February, and March is usually the wettest month in a year that brings about 54 in of precipitation.

Warmest month
July
87°F average high
Coldest month
February
28°F average low
Wettest month
March
54 in a year
Below freezing
3 months
January, February and December
Comfortable
4 months
April, May, September and October
Residents
57,000
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The weather map: all three models at once

NWS, American, European side by side around Union and nearby towns.Live rain radar →
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Union 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

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Union 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
83° 69°
models agree
Tomorrow
Cloudy
72° 59°
models agree
Sun
Heavy drizzle
70° 62°
±7°
Mon
Cloudy
68° 59°
models agree
Tue
Light drizzle
63° 55°
models agree
Wed
Light drizzle
63° 53°
models agree
Thu
Heavy drizzle
62° 54°
±5°
Fri
Drizzle
68° 53°
±7°
Sat
Cloudy
69° 56°
±6°
Sun
Light drizzle
72° 57°
±8°
Mon
Light drizzle
72° 57°
±5°
Tue
Light drizzle
77° 60°
models agree
Wed
Light rain
79° 61°
models agree
Thu
Light rain
69° 55°
±6°

Union, New Jersey (NJ) is at its warmest in Jul (average highs near 87°F) and coldest in Feb (lows around 28°F), with roughly 54 in of precipitation across the year. Below, compare what NWS, American, European forecast for Union 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.

Union climate by month

average daytime high and overnight low across a typical year
Jan
44°
30°
Feb
46°
28°
Mar
52°
34°
Apr
63°
43°
May
72°
52°
Jun
82°
61°
Jul
87°
68°
Aug
83°
65°
Sep
76°
59°
Oct
68°
49°
Nov
55°
38°
Dec
44°
31°

Which forecast is most accurate in Union?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
94±0.6°F98±0.6 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
69
/100rank #2
78±2.2°F93±2.3 mph4268% 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)
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AmericanNOAA GFS
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EuropeanECMWF
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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±2°82° to 84°±46%3% to 49% chance
Tomorrow±2°71° to 73°±2%0% to 2% chance
Sun±7°66° to 73°±9%82% to 91% chance
Mon±2°67° to 69°±5%69% to 74% chance
Tue±2°62° to 64°±17%10% to 27% 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 Union

today, local time
Sunrise
06:40
Sunset
19:00
Daylight
12h 20m

Common questions

What's the weather in Union today?
On this page we show what NWS, American, European each forecast for Union 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 Union today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Union 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 Union?
Over the last 30 days, the European model has been the most accurate for Union (CheckWeather Score 91/100), ahead of the American at 69. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Union?
July is typically the warmest month in Union, with average highs around 87°F.
How cold does Union get?
The coldest month in Union is February, when overnight lows average about 28°F.
How much rain does Union get?
Union sees roughly 54 in of precipitation a year, with March usually the wettest month.

Nearby

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