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Brighton Park weather

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Brighton Park weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Brighton Park weather in numbers

measured normals and 10 years of recorded weather

Brighton Park swings 61°F across the year, from 81°F highs in July to 20°F lows in January, and August is usually the wettest month in a year that brings about 41 in of precipitation. Over 10 years of recorded weather it averages 90 days a year at 77°F or above, 30 of them at 86°F or above, 107 frost nights, and rain on 130 days.

Warmest month
July
81°F average high
Coldest month
January
20°F average low
Wettest month
August
41 in a year
Comfortable
4 months
May, June, September and October
Residents
44,000
share this forecast
Most accurate here
European
94/100 CheckWeather Score
Warm days
90 days
a year at 77°F or above
Frost nights
107 nights
a year below 32°F
Rain days
130 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Brighton Park’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

NWS, American, European side by side around Brighton Park and nearby towns.Live rain radar →
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Brighton Park 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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Brighton Park 10-day forecast, out to 14 days

where the models agree, and where they split

Brighton Park, Illinois (IL) is at its warmest in Jul (average highs near 81°F) and coldest in Jan (lows around 20°F), with roughly 41 in of precipitation across the year. Below, compare what NWS, American, European forecast for Brighton Park 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.

Brighton Park climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
31°
20°
Feb
39°
21°
Mar
46°
30°
Apr
57°
38°
May
66°
47°
Jun
77°
58°
Jul
81°
64°
Aug
80°
64°
Sep
73°
57°
Oct
60°
43°
Nov
47°
33°
Dec
37°
25°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Brighton Park has changed since 1995

Brighton Park sits in the same roughly 50 km square of NASA's reanalysis as Chicago. That square ran 1.6°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Chicago page.

Which forecast is most accurate in Brighton Park?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
94
/100rank #1
91±0.9°F96±1.2 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
78
/100rank #2
85±1.5°F96±1.3 mph5877% 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.

Common questions

What's the weather in Brighton Park today?
On this page we show what NWS, American, European each forecast for Brighton Park 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 Brighton Park today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Brighton Park 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 Brighton Park?
Over the last 30 days, the European model has been the most accurate for Brighton Park (CheckWeather Score 94/100), ahead of the American at 78. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Brighton Park?
July is typically the warmest month in Brighton Park, with average highs around 81°F.
How cold does Brighton Park get?
The coldest month in Brighton Park is January, when overnight lows average about 20°F.
How much rain does Brighton Park get?
Brighton Park sees roughly 41 in of precipitation a year, with August usually the wettest month.

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