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Now · 10:45 PM

Wheaton Weather & Hourly Forecast

United States · Illinois · 60189

Mostly cloudy night
67°F
Mostly cloudy night
Feels like: 70°F
💧 Humidity 93% 🌡 Pressure 30.27 inHg 💨 Wind 4 mph 👁 Visibility 11.1 mi Clouds 93% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Wheaton

Today
Mostly cloudy night · 11:00 PM Mostly cloudy night
67° 💧 0.001 in 💨 4 mph H 93%30.27 inHg
Tomorrow
Light rain · 2:00 AM Light rain
67° 💧 0.395 in 💨 1 mph H 96%30.21 inHg
Thunderstorms · 5:00 AM Thunderstorms
68° 💧 0.350 in 💨 3 mph H 99%30.18 inHg
Light rain · 8:00 AM Light rain
69° 💧 0.034 in 💨 1 mph H 99%30.18 inHg
Overcast · 11:00 AM Overcast
75° 💧 0.004 in 💨 4 mph H 87%30.18 inHg
Overcast · 2:00 PM Overcast
79° 💧 0.003 in 💨 4 mph H 77%30.15 inHg
Overcast · 5:00 PM Overcast
78° 💧 0.013 in 💨 5 mph H 79%30.12 inHg
Mostly cloudy night · 8:00 PM Mostly cloudy night
70° 💧 0.001 in 💨 7 mph H 93%30.18 inHg
Overcast night · 11:00 PM Overcast night
67° 💧 0.000 in 💨 8 mph H 91%30.21 inHg
Friday
Overcast night · 2:00 AM Overcast night
68° 💧 None 💨 7 mph H 86%30.21 inHg
Overcast night · 5:00 AM Overcast night
67° 💧 None 💨 7 mph H 86%30.21 inHg
Overcast · 8:00 AM Overcast
68° 💧 None 💨 8 mph H 81%30.24 inHg
Overcast · 11:00 AM Overcast
69° 💧 None 💨 10 mph H 72%30.24 inHg
Overcast · 2:00 PM Overcast
71° 💧 None 💨 8 mph H 68%30.21 inHg
Partly cloudy · 5:00 PM Partly cloudy
69° 💧 None 💨 8 mph H 72%30.15 inHg
Mostly cloudy night · 8:00 PM Mostly cloudy night
66° 💧 None 💨 6 mph H 83%30.15 inHg

In Wheaton and, more broadly, across the state of Illinois: This evening will be mostly clear with just a few clouds drifting across the sky. Temperatures are expected to remain mild to warm, settling between 80 and 82 degrees Fahrenheit. Light northeast winds will persist, blowing at around 9 mph, with occasional gusts reaching up to 15 mph. No precipitation is anticipated during the upcoming hours, making for a calm and pleasant evening. As night falls, conditions will likely remain comfortable, with temperatures gradually cooling into the low 70s. Overall, it should be a peaceful night with clear skies and gentle breezes.

15-Day Weather Outlook for Wheaton

TomorrowTomorrow Thunderstorms Thunderstorms 79°/67° 💧 None 💨 9 mph
Friday, Sep 18Fri Sep 18 Overcast Overcast 71°/66° 💧 None 💨 10 mph
Saturday, Sep 19Sat Sep 19 Moderate rain Moderate rain 84°/63° 💧 2.214 in 💨 10 mph
Sunday, Sep 20Sun Sep 20 Light thunderstorms Light thunderstorms 71°/65° 💧 0.117 in 💨 13 mph
Monday, Sep 21Mon Sep 21 Moderate rain Moderate rain 63°/59° 💧 1.294 in 💨 12 mph
Tuesday, Sep 22Tue Sep 22 Heavy rain Heavy rain 63°/57° 💧 0.132 in 💨 13 mph
Wednesday, Sep 23Wed Sep 23 Mostly sunny Mostly sunny 65°/55° 💧 0.001 in 💨 11 mph
Thursday, Sep 24Thu Sep 24 Overcast Overcast 62°/56° 💧 0.010 in 💨 10 mph
Friday, Sep 25Fri Sep 25 Overcast Overcast 67°/57° 💧 0.011 in 💨 9 mph
Saturday, Sep 26Sat Sep 26 Partly cloudy Partly cloudy 67°/56° 💧 0.002 in 💨 9 mph
Sunday, Sep 27Sun Sep 27 Sunny Sunny 65°/48° 💧 None 💨 6 mph
Monday, Sep 28Mon Sep 28 Mostly sunny Mostly sunny 67°/48° 💧 None 💨 5 mph
Tuesday, Sep 29Tue Sep 29 Partly cloudy Partly cloudy 71°/48° 💧 None 💨 6 mph
Wednesday, Sep 30Wed Sep 30 Mostly sunny Mostly sunny 74°/55° 💧 0.001 in 💨 7 mph
Thursday, Oct 1Thu Oct 1 Partly cloudy Partly cloudy 66°/54° 💧 None 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Wheaton

Vertical axis: °F · Color based on temperature
Mostly cloudy night at 11:00 PM
67° Today 11:00 PM
Mostly cloudy night at 12:00 AM
67° 12:00 AM
Overcast night at 1:00 AM
67° 1:00 AM
Light rain at 2:00 AM
67° 2:00 AM
Moderate rain at 3:00 AM
67° Tomorrow 3:00 AM
Thunderstorms at 4:00 AM
67° 4:00 AM
Thunderstorms at 5:00 AM
68° 5:00 AM
Light rain at 6:00 AM
68° 6:00 AM
Light thunderstorms at 7:00 AM
68° Tomorrow 7:00 AM
Light rain at 8:00 AM
69° 8:00 AM
Light rain at 9:00 AM
72° 9:00 AM
Light rain at 10:00 AM
73° 10:00 AM
Overcast at 11:00 AM
75° Tomorrow 11:00 AM
Overcast at 12:00 PM
77° 12:00 PM
Overcast at 1:00 PM
79° 1:00 PM
Overcast at 2:00 PM
79° 2:00 PM
Overcast at 3:00 PM
79° Tomorrow 3:00 PM
Overcast at 4:00 PM
79° 4:00 PM
Overcast at 5:00 PM
78° 5:00 PM
Light rain at 6:00 PM
76° 6:00 PM
Light rain at 7:00 PM
72° Tomorrow 7:00 PM
Mostly cloudy night at 8:00 PM
70° 8:00 PM
Overcast night at 9:00 PM
68° 9:00 PM
Overcast night at 10:00 PM
68° 10:00 PM
Overcast night at 11:00 PM
67° Tomorrow 11:00 PM
Overcast night at 12:00 AM
67° 12:00 AM
Overcast night at 1:00 AM
68° 1:00 AM
Overcast night at 2:00 AM
68° 2:00 AM
Overcast night at 3:00 AM
68° Friday 3:00 AM
Partly cloudy night at 4:00 AM
67° 4:00 AM
Overcast night at 5:00 AM
67° 5:00 AM
Overcast night at 6:00 AM
67° 6:00 AM
Overcast at 7:00 AM
66° Friday 7:00 AM
Overcast at 8:00 AM
68° 8:00 AM
Overcast at 9:00 AM
69° 9:00 AM
Overcast at 10:00 AM
69° 10:00 AM
Overcast at 11:00 AM
69° Friday 11:00 AM
Overcast at 12:00 PM
70° 12:00 PM
Overcast at 1:00 PM
71° 1:00 PM
Overcast at 2:00 PM
71° 2:00 PM
Overcast at 3:00 PM
70° Friday 3:00 PM
Mostly cloudy at 4:00 PM
70° 4:00 PM
Partly cloudy at 5:00 PM
69° 5:00 PM
Partly cloudy at 6:00 PM
68° 6:00 PM
Partly cloudy night at 7:00 PM
66° Friday 7:00 PM
Mostly cloudy night at 8:00 PM
66° 8:00 PM
Partly cloudy night at 9:00 PM
66° 9:00 PM
Clear night at 10:00 PM
66° 10:00 PM
Overcast night at 11:00 PM
66° Friday 11:00 PM
Overcast night at 12:00 AM
66° 12:00 AM
Overcast night at 1:00 AM
66° 1:00 AM
Overcast night at 2:00 AM
65° 2:00 AM
Overcast night at 3:00 AM
65° Saturday 3:00 AM
Light rain at 4:00 AM
64° 4:00 AM
Moderate rain at 5:00 AM
63° 5:00 AM
Overcast night at 6:00 AM
63° 6:00 AM
Light rain at 7:00 AM
63° Saturday 7:00 AM
Light rain at 4:00 PM
84° 4:00 PM
Moderate rain at 7:00 PM
73° 7:00 PM
Overcast night at 10:00 PM
72° 10:00 PM
Light thunderstorms at 1:00 AM
71° Sunday 1:00 AM
Overcast night at 4:00 AM
68° 4:00 AM
Overcast at 7:00 AM
66° 7:00 AM
Overcast at 10:00 AM
67° 10:00 AM
Overcast at 1:00 PM
69° Sunday 1:00 PM
Overcast at 4:00 PM
68° 4:00 PM
Overcast night at 7:00 PM
65° 7:00 PM
Overcast night at 10:00 PM
66° 10:00 PM
Light rain at 1:00 AM
63° Monday 1:00 AM
Moderate rain at 4:00 AM
60° 4:00 AM
Moderate rain at 7:00 AM
59° 7:00 AM
Moderate rain at 10:00 AM
59° 10:00 AM
Moderate rain at 1:00 PM
59° Monday 1:00 PM
Light rain at 4:00 PM
59° 4:00 PM
Light rain at 7:00 PM
59° 7:00 PM
Overcast night at 10:00 PM
60° 10:00 PM
Overcast night at 1:00 AM
59° Tuesday 1:00 AM
Mostly cloudy night at 4:00 AM
58° 4:00 AM
Partly cloudy at 7:00 AM
57° 7:00 AM
Overcast at 10:00 AM
60° 10:00 AM
Heavy rain at 1:00 PM
60° Tuesday 1:00 PM
Overcast night at 7:00 PM
63° 7:00 PM
Mostly clear night at 1:00 AM
58° 1:00 AM
Sunny at 7:00 AM
55° 7:00 AM
Mostly sunny at 1:00 PM
55° Wednesday 1:00 PM
Clear night at 7:00 PM
65° 7:00 PM
Clear night at 1:00 AM
59° 1:00 AM
Mostly sunny at 7:00 AM
57° 7:00 AM
Overcast at 1:00 PM
56° Thursday 1:00 PM
Overcast night at 7:00 PM
62° 7:00 PM
Overcast night at 1:00 AM
60° 1:00 AM
Overcast at 7:00 AM
59° 7:00 AM
Mostly cloudy at 1:00 PM
57° Friday 1:00 PM
Partly cloudy night at 7:00 PM
67° 7:00 PM
Clear night at 1:00 AM
60° 1:00 AM
Sunny at 7:00 AM
56° 7:00 AM
Partly cloudy at 1:00 PM
56° Saturday 1:00 PM
Mostly clear night at 7:00 PM
67° 7:00 PM
Clear night at 1:00 AM
57° 1:00 AM
Sunny at 7:00 AM
51° 7:00 AM
Sunny at 1:00 PM
48° Sunday 1:00 PM
Clear night at 7:00 PM
65° 7:00 PM
Clear night at 1:00 AM
58° 1:00 AM
Sunny at 7:00 AM
53° 7:00 AM
Sunny at 1:00 PM
48° Monday 1:00 PM
Mostly clear night at 7:00 PM
67° 7:00 PM
Partly cloudy night at 1:00 AM
59° 1:00 AM
Sunny at 7:00 AM
54° 7:00 AM
Mostly sunny at 1:00 PM
48° Tuesday 1:00 PM
Partly cloudy night at 7:00 PM
71° 7:00 PM
Clear night at 1:00 AM
64° 1:00 AM
Mostly sunny at 7:00 AM
59° 7:00 AM
Sunny at 1:00 PM
55° Wednesday 1:00 PM
Clear night at 7:00 PM
74° 7:00 PM
Clear night at 1:00 AM
66° 1:00 AM
Partly cloudy at 7:00 AM
59° 7:00 AM
Overcast at 1:00 PM
54° Thursday 1:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Wheaton

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 11:00 PM
PM2.5 Fine particles Fair 12,9µg/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 14,0µg/m³

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

O₃ Ozone Good 34,5µg/m³

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

NO₂ Nitrogen dioxide Good 13,1µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Wheaton

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 5,6Moderate 🙂Fair
Tomorrow UV 5,4Moderate 🙂Fair
Friday UV 4,9Moderate 🙂Fair
Saturday UV 2,1Low 🙂Fair
Sunday UV 1,1Low 🙂Fair
Monday UV 3,0Moderate Unavailable
Tuesday UV 4,0Moderate Unavailable
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

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 Wheaton

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

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

41/100Best-hour score
No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.
Cloud cover 76% Real hourly forecast for the best viewing hour.
Moonlight 29% Waxing Crescent · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 42° high at the best hour.
Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.
Chance ≥1 meteor in 30 minNot meaningful
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 Wheaton were last refreshed today at 10:44 PM. The current forecast period extends through 18/09/2026 at 8:00 PM. 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.