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Now · 5:12 AM

Glen Ellyn Weather & Hourly Forecast

United States · Illinois · 60137

Light rain
66°F
Light rain
Feels like: 67°F
💧 Humidity 90% 🌡 Pressure 30.21 inHg 💨 Wind 6 mph 👁 Visibility 4.5 mi Clouds 100% 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Glen Ellyn

Today
Light rain · 6:00 AM Light rain
66° 💧 0.321 in 💨 8 mph H 91%30.24 inHg
Light rain · 9:00 AM Light rain
67° 💧 0.049 in 💨 9 mph H 95%30.27 inHg
Overcast · 12:00 PM Overcast
69° 💧 0.011 in 💨 6 mph H 87%30.30 inHg
Light rain · 3:00 PM Light rain
70° 💧 0.020 in 💨 9 mph H 86%30.27 inHg
Overcast · 6:00 PM Overcast
70° 💧 0.008 in 💨 7 mph H 88%30.21 inHg
Mostly clear night · 9:00 PM Mostly clear night
68° 💧 0.024 in 💨 6 mph H 92%30.24 inHg
Tomorrow
Moderate rain · 12:00 AM Moderate rain
68° 💧 0.214 in 💨 4 mph H 98%30.21 inHg
Light rain · 3:00 AM Light rain
67° 💧 0.189 in 💨 2 mph H 99%30.15 inHg
Light rain · 6:00 AM Light rain
67° 💧 0.252 in 💨 7 mph H 99%30.21 inHg
Light rain · 9:00 AM Light rain
68° 💧 0.028 in 💨 6 mph H 97%30.21 inHg
Overcast · 12:00 PM Overcast
74° 💧 0.002 in 💨 4 mph H 81%30.21 inHg
Overcast · 3:00 PM Overcast
74° 💧 0.000 in 💨 6 mph H 80%30.18 inHg
Overcast · 6:00 PM Overcast
69° 💧 None 💨 7 mph H 82%30.18 inHg
Overcast night · 9:00 PM Overcast night
67° 💧 None 💨 6 mph H 80%30.24 inHg
Friday
Mostly cloudy night · 12:00 AM Mostly cloudy night
64° 💧 None 💨 5 mph H 88%30.24 inHg
Clear night · 3:00 AM Clear night
62° 💧 None 💨 5 mph H 90%30.24 inHg

In Glen Ellyn and, more broadly, across the state of Illinois: Tonight, the sky will be mostly cloudy, with temperatures holding steady between 79 and 80 degrees Fahrenheit. Light south winds will blow at around 4 mph, with gusts reaching up to 6 mph. No significant rainfall is expected during the evening hours, so conditions are likely to remain dry. The mild temperatures and gentle breezes will create a relatively comfortable evening. As the night progresses, skies may remain partly cloudy, but overall, weather conditions should be stable with no major changes anticipated.

15-Day Weather Outlook for Glen Ellyn

TomorrowTomorrow Overcast Overcast 75°/65° 💧 None 💨 8 mph
Friday, Sep 18Fri Sep 18 Mostly cloudy Mostly cloudy 74°/62° 💧 1.390 in 💨 8 mph
Saturday, Sep 19Sat Sep 19 Moderate rain Moderate rain 85°/64° 💧 0.227 in 💨 9 mph
Sunday, Sep 20Sun Sep 20 Heavy rain Heavy rain 68°/65° 💧 0.445 in 💨 11 mph
Monday, Sep 21Mon Sep 21 Heavy rain Heavy rain 64°/60° 💧 0.654 in 💨 12 mph
Tuesday, Sep 22Tue Sep 22 Heavy rain Heavy rain 62°/58° 💧 1.448 in 💨 11 mph
Wednesday, Sep 23Wed Sep 23 Overcast Overcast 71°/60° 💧 0.103 in 💨 6 mph
Thursday, Sep 24Thu Sep 24 Mostly cloudy Mostly cloudy 75°/63° 💧 0.360 in 💨 7 mph
Friday, Sep 25Fri Sep 25 Light rain Light rain 74°/67° 💧 0.164 in 💨 7 mph
Saturday, Sep 26Sat Sep 26 Overcast Overcast 73°/63° 💧 0.011 in 💨 7 mph
Sunday, Sep 27Sun Sep 27 Partly cloudy Partly cloudy 73°/58° 💧 0.005 in 💨 3 mph
Monday, Sep 28Mon Sep 28 Partly cloudy Partly cloudy 73°/55° 💧 0.001 in 💨 6 mph
Tuesday, Sep 29Tue Sep 29 Overcast Overcast 75°/61° 💧 None 💨 6 mph
Wednesday, Sep 30Wed Sep 30 Mostly cloudy Mostly cloudy 76°/59° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Glen Ellyn

Vertical axis: °F · Color based on temperature
Light rain at 6:00 AM
66° Today 6:00 AM
Light rain at 7:00 AM
66° 7:00 AM
Thunderstorms at 8:00 AM
67° 8:00 AM
Light rain at 9:00 AM
67° 9:00 AM
Light rain at 10:00 AM
69° Today 10:00 AM
Overcast at 11:00 AM
68° 11:00 AM
Overcast at 12:00 PM
69° 12:00 PM
Overcast at 1:00 PM
70° 1:00 PM
Light rain at 2:00 PM
70° Today 2:00 PM
Light rain at 3:00 PM
70° 3:00 PM
Light rain at 4:00 PM
71° 4:00 PM
Overcast at 5:00 PM
71° 5:00 PM
Overcast at 6:00 PM
70° Today 6:00 PM
Light rain at 7:00 PM
68° 7:00 PM
Overcast night at 8:00 PM
68° 8:00 PM
Mostly clear night at 9:00 PM
68° 9:00 PM
Mostly cloudy night at 10:00 PM
68° Today 10:00 PM
Light rain at 11:00 PM
68° 11:00 PM
Moderate rain at 12:00 AM
68° 12:00 AM
Light rain at 1:00 AM
68° 1:00 AM
Light rain at 2:00 AM
67° Tomorrow 2:00 AM
Light rain at 3:00 AM
67° 3:00 AM
Light rain at 4:00 AM
67° 4:00 AM
Light rain at 5:00 AM
67° 5:00 AM
Light rain at 6:00 AM
67° Tomorrow 6:00 AM
Light rain at 7:00 AM
66° 7:00 AM
Light rain at 8:00 AM
67° 8:00 AM
Light rain at 9:00 AM
68° 9:00 AM
Overcast at 10:00 AM
70° Tomorrow 10:00 AM
Overcast at 11:00 AM
73° 11:00 AM
Overcast at 12:00 PM
74° 12:00 PM
Overcast at 1:00 PM
75° 1:00 PM
Overcast at 2:00 PM
75° Tomorrow 2:00 PM
Overcast at 3:00 PM
74° 3:00 PM
Overcast at 4:00 PM
73° 4:00 PM
Overcast at 5:00 PM
72° 5:00 PM
Overcast at 6:00 PM
69° Tomorrow 6:00 PM
Overcast night at 7:00 PM
68° 7:00 PM
Overcast night at 8:00 PM
67° 8:00 PM
Overcast night at 9:00 PM
67° 9:00 PM
Overcast night at 10:00 PM
66° Tomorrow 10:00 PM
Mostly cloudy night at 11:00 PM
65° 11:00 PM
Mostly cloudy night at 12:00 AM
64° 12:00 AM
Mostly cloudy night at 1:00 AM
63° 1:00 AM
Clear night at 2:00 AM
63° Friday 2:00 AM
Clear night at 3:00 AM
62° 3:00 AM
Clear night at 4:00 AM
62° 4:00 AM
Mostly clear night at 5:00 AM
62° 5:00 AM
Partly cloudy night at 6:00 AM
62° Friday 6:00 AM
Mostly cloudy at 7:00 AM
62° 7:00 AM
Mostly sunny at 8:00 AM
65° 8:00 AM
Sunny at 9:00 AM
69° 9:00 AM
Sunny at 10:00 AM
71° Friday 10:00 AM
Sunny at 11:00 AM
72° 11:00 AM
Sunny at 12:00 PM
73° 12:00 PM
Sunny at 1:00 PM
74° 1:00 PM
Sunny at 2:00 PM
74° Friday 2:00 PM
Mostly sunny at 3:00 PM
73° 3:00 PM
Mostly sunny at 4:00 PM
73° 4:00 PM
Mostly sunny at 5:00 PM
72° 5:00 PM
Mostly cloudy at 6:00 PM
70° Friday 6:00 PM
Mostly cloudy night at 7:00 PM
68° 7:00 PM
Partly cloudy night at 10:00 PM
67° 10:00 PM
Partly cloudy night at 1:00 AM
66° 1:00 AM
Mostly cloudy night at 4:00 AM
64° Saturday 4:00 AM
Mostly cloudy at 7:00 AM
64° 7:00 AM
Overcast at 10:00 AM
73° 10:00 AM
Overcast at 1:00 PM
78° 1:00 PM
Partly cloudy at 4:00 PM
85° Saturday 4:00 PM
Moderate rain at 7:00 PM
73° 7:00 PM
Light rain at 10:00 PM
70° 10:00 PM
Light rain at 1:00 AM
68° 1:00 AM
Heavy rain at 4:00 AM
66° Sunday 4:00 AM
Overcast at 7:00 AM
65° 7:00 AM
Light rain at 10:00 AM
67° 10:00 AM
Overcast at 1:00 PM
68° 1:00 PM
Overcast at 4:00 PM
67° Sunday 4:00 PM
Overcast night at 7:00 PM
66° 7:00 PM
Light rain at 10:00 PM
66° 10:00 PM
Moderate rain at 1:00 AM
64° 1:00 AM
Light rain at 4:00 AM
62° Monday 4:00 AM
Heavy rain at 7:00 AM
60° 7:00 AM
Light rain at 10:00 AM
61° 10:00 AM
Overcast at 1:00 PM
64° 1:00 PM
Overcast at 4:00 PM
64° Monday 4:00 PM
Light rain at 7:00 PM
62° 7:00 PM
Heavy rain at 1:00 AM
60° 1:00 AM
Light rain at 7:00 AM
58° 7:00 AM
Light rain at 1:00 PM
62° Tuesday 1:00 PM
Light rain at 7:00 PM
62° 7:00 PM
Overcast night at 1:00 AM
62° 1:00 AM
Overcast at 7:00 AM
60° 7:00 AM
Overcast at 1:00 PM
71° Wednesday 1:00 PM
Overcast night at 7:00 PM
66° 7:00 PM
Mostly cloudy night at 1:00 AM
64° 1:00 AM
Overcast at 7:00 AM
63° 7:00 AM
Overcast at 1:00 PM
75° Thursday 1:00 PM
Mostly cloudy night at 7:00 PM
75° 7:00 PM
Overcast night at 1:00 AM
69° 1:00 AM
Light rain at 7:00 AM
67° 7:00 AM
Light rain at 1:00 PM
74° Friday 1:00 PM
Partly cloudy night at 7:00 PM
71° 7:00 PM
Clear night at 1:00 AM
63° 1:00 AM
Overcast at 7:00 AM
64° 7:00 AM
Overcast at 1:00 PM
73° Saturday 1:00 PM
Clear night at 7:00 PM
66° 7:00 PM
Clear night at 1:00 AM
61° 1:00 AM
Partly cloudy at 7:00 AM
58° 7:00 AM
Partly cloudy at 1:00 PM
73° Sunday 1:00 PM
Mostly clear night at 7:00 PM
67° 7:00 PM
Clear night at 1:00 AM
61° 1:00 AM
Overcast at 7:00 AM
55° 7:00 AM
Partly cloudy at 1:00 PM
73° Monday 1:00 PM
Partly cloudy night at 7:00 PM
68° 7:00 PM
Clear night at 1:00 AM
63° 1:00 AM
Overcast at 7:00 AM
61° 7:00 AM
Overcast at 1:00 PM
75° Tuesday 1:00 PM
Mostly clear night at 7:00 PM
68° 7:00 PM
Clear night at 1:00 AM
61° 1:00 AM
Mostly cloudy at 7:00 AM
59° 7:00 AM
Sunny at 1:00 PM
76° Wednesday 1:00 PM
Clear night at 7:00 PM
67° 7:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Glen Ellyn

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 6:00 AM
PM2.5 Fine particles Good 7,7µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 8,0µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 24,9µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 16,0µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Glen Ellyn

Today's weather health advice Open today's recommendations.

Basic sun protection

Use sun protection if you plan to spend a long time outdoors.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Glen Ellyn

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 6:00 AM 7:00 AM 8:00 AM 9:00 AM Today 10:00 AM 11:00 AM 12:00 PM 1:00 PM Today 2:00 PM 3:00 PM 4:00 PM 5:00 PM Today 6:00 PM 7:00 PM 8:00 PM 9:00 PM Today 10:00 PM 11:00 PM 12:00 AM 1:00 AM Tomorrow 2:00 AM 3:00 AM 4:00 AM 5:00 AM Tomorrow 6:00 AM 7:00 AM 8:00 AM 9:00 AM Tomorrow 10:00 AM 11:00 AM 12:00 PM 1:00 PM Tomorrow 2:00 PM 3:00 PM 4:00 PM 5:00 PM Tomorrow 6:00 PM 7:00 PM 8:00 PM 9:00 PM Tomorrow 10:00 PM 11:00 PM 12:00 AM 1:00 AM Friday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Friday 6:00 AM 7:00 AM 8:00 AM 9:00 AM Friday 10:00 AM 11:00 AM 12:00 PM 1:00 PM Friday 2:00 PM 3:00 PM 4:00 PM 5:00 PM Friday 6:00 PM 7:00 PM 10:00 PM 1:00 AM Saturday 4:00 AM 7:00 AM 10:00 AM 1:00 PM Saturday 4:00 PM 7:00 PM 10:00 PM 1:00 AM Sunday 4:00 AM 7:00 AM 10:00 AM 1:00 PM Sunday 4:00 PM 7:00 PM 10:00 PM 1:00 AM Monday 4:00 AM 7:00 AM 10:00 AM 1:00 PM Monday 4:00 PM 7:00 PM 1:00 AM 7:00 AM Tuesday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Wednesday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Thursday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Friday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Saturday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Sunday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Monday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Tuesday 1:00 PM 7:00 PM 1:00 AM 7:00 AM Wednesday 1:00 PM 7:00 PM
Sustained wind Max gusts
NIGHT SKY · GLEN ELLYN, ILLINOIS

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

72/100Best-hour score
BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 8:34 PM–5:00 AM
Cloud cover 33% Real hourly forecast for the best viewing hour.
Moonlight 28% Waxing Crescent · Moon about 4° above the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 14° high at the best hour.
Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min21%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Glen Ellyn were last refreshed today at 5:12 AM. The current forecast period extends through 18/09/2026 at 3:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.