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

Portage Park weather

Loading live data…

Drizzle,rain likely tomorrow

NWS, the American and the European model agree on a high near 70° in Portage Park today. Tomorrow looks rain around 73°, with a 97% chance of rain.

70°64°
73°63°
70°64°
63°59°
62°56°
61°57°
Todaymodels agreeTomorrowsplit ±6°Sundaymodels agreeMondaymodels agreeTuesdaysplit ±5°Wednesdaymodels agree
NWSNational Blend (NBM)
75°
Light drizzle
Feels 81° · Wind 5 mph · Humidity 86%
AmericanNOAA GFS
65°
Overcast
Feels 70° · Wind 1 mph · Humidity 94%
EuropeanECMWF
78°
Overcast
Feels 85° · Wind 5 mph · Humidity 78%

Latest for Portage Park: NWS (National Blend (NBM)): 75° Light drizzle · American (NOAA GFS): 65° Overcast · European (ECMWF): 78° Overcast.

CheckWeather.io on iPhoneFree. No ads, no account.

Portage Park weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Portage Park…

Portage Park weather in numbers

from 30 years of measured normals

Portage Park swings 60°F across the year, from 82°F highs in July to 22°F lows in January, and July is usually the wettest month in a year that brings about 44 in of precipitation.

Warmest month
July
82°F average high
Coldest month
January
22°F average low
Wettest month
July
44 in a year
Below freezing
3 months
January, February and December
Comfortable
4 months
April, May, September and October
Residents
65,000
share this forecast

The weather map: all three models at once

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

Portage 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

Loading the three models…

Portage Park 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Drizzle
70° 64°
models agree
Tomorrow
Rain
73° 63°
±6°
Sun
Rain
70° 64°
models agree
Mon
Light drizzle
63° 59°
models agree
Tue
Cloudy
62° 56°
±5°
Wed
Partly cloudy
61° 57°
models agree
Thu
Partly cloudy
64° 58°
models agree
Fri
Partly cloudy
66° 59°
±4°
Sat
Partly cloudy
70° 58°
±12°
Sun
Partly cloudy
72° 56°
±12°
Mon
Light drizzle
69° 55°
models agree
Tue
Heavy drizzle
59° 53°
±15°
Wed
Light drizzle
61° 49°
models agree
Thu
Partly cloudy
68° 50°
±6°

Portage Park, Illinois (IL) is at its warmest in Jul (average highs near 82°F) and coldest in Jan (lows around 22°F), with roughly 44 in of precipitation across the year. Below, compare what NWS, American, European forecast for Portage 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.

Portage Park climate by month

average daytime high and overnight low across a typical year
Jan
34°
22°
Feb
44°
27°
Mar
48°
32°
Apr
60°
41°
May
71°
50°
Jun
81°
61°
Jul
82°
64°
Aug
81°
64°
Sep
76°
60°
Oct
65°
48°
Nov
50°
37°
Dec
40°
29°

Which forecast is most accurate in Portage Park?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
84
/100rank #1
87±1.3°F97±0.8 mph7184% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
72
/100rank #2
82±1.8°F91±2.8 mph4771% 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°69° to 70°±36%29% to 65% chance
Tomorrow±6°71° to 76°±33%64% to 97% chance
Sunmodels agree69° to 70°±10%85% to 95% chance
Mon±2°62° to 64°±5%33% to 38% chance
Tue±5°61° to 65°±18%17% to 35% 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 Portage Park

today, local time
Sunrise
06:34
Sunset
18:55
Daylight
12h 21m

Common questions

What's the weather in Portage Park today?
On this page we show what NWS, American, European each forecast for Portage 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 Portage Park today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Portage 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 Portage Park?
Over the last 30 days, the European model has been the most accurate for Portage Park (CheckWeather Score 84/100), ahead of the American at 72. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Portage Park?
July is typically the warmest month in Portage Park, with average highs around 82°F.
How cold does Portage Park get?
The coldest month in Portage Park is January, when overnight lows average about 22°F.
How much rain does Portage Park get?
Portage Park sees roughly 44 in of precipitation a year, with July usually the wettest month.

Nearby

More US weather