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CheckWeather US›Illinois›Lower West Side

Lower West Side weather

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NWSNational Blend (NBM)
51°
Mainly clear
Feels 48° · Wind 5 mph · Humidity 82%
AmericanNOAA GFS
50°
Mainly clear
Feels 45° · Wind 7 mph · Humidity 82%
EuropeanECMWF
50°
Overcast
Feels 46° · Wind 5 mph · Humidity 82%

Latest for Lower West Side: NWS (National Blend (NBM)): 51° Mainly clear · American (NOAA GFS): 50° Mainly clear · European (ECMWF): 50° Overcast.

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Lower West Side weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Lower West Side…

Lower West Side weather in numbers

measured normals and 10 years of recorded weather

Lower West Side swings 59°F across the year, from 79°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 81 days a year at 77°F or above, 24 of them at 86°F or above, 104 frost nights, and rain on 130 days.

Warmest month
July
79°F average high
Coldest month
January
20°F average low
Wettest month
August
41 in a year
Comfortable
3 months
May, June and September
Residents
34,000
share this forecast
Most accurate here
European
90/100 CheckWeather Score
Warm days
81 days
a year at 77°F or above
Frost nights
104 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 Lower West Side’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 Lower West Side and nearby towns.Live rain radar →
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Lower West Side 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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Lower West Side 10-day forecast, out to 14 days

where the models agree, and where they split

Lower West Side, Illinois (IL) is at its warmest in Jul (average highs near 79°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 Lower West Side 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.

Lower West Side climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
31°
20°
Feb
37°
21°
Mar
45°
30°
Apr
56°
38°
May
64°
47°
Jun
76°
59°
Jul
79°
64°
Aug
79°
64°
Sep
72°
58°
Oct
59°
44°
Nov
46°
34°
Dec
36°
26°

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

How the weather around Lower West Side has changed since 1995

Lower West Side 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 Lower West Side?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
90
/100rank #1
84±1.6°F94±1.7 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #2
85±1.5°F94±1.9 mph7184% 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 Lower West Side today?
On this page we show what NWS, American, European each forecast for Lower West Side 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 Lower West Side today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Lower West Side 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 Lower West Side?
Over the last 30 days, the European model has been the most accurate for Lower West Side (CheckWeather Score 90/100), ahead of the American at 82. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Lower West Side?
July is typically the warmest month in Lower West Side, with average highs around 79°F.
How cold does Lower West Side get?
The coldest month in Lower West Side is January, when overnight lows average about 20°F.
How much rain does Lower West Side get?
Lower West Side sees roughly 41 in of precipitation a year, with August usually the wettest month.

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