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Now · 6:55 PM

Lake Catherine Weather & Hourly Forecast

United States · Illinois · 60002

Mostly sunny
68°F
Mostly sunny
Feels like: 69°F
💧 Humidity 77% 🌡 Pressure 30.09 inHg 💨 Wind 4 mph 👁 Visibility 19.3 mi Clouds 25% ☀️ UV index 0.5 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Lake Catherine

Today
Mostly sunny · 7:00 PM Mostly sunny
68° 💧 None 💨 4 mph H 77%30.09 inHg
Partly cloudy night · 10:00 PM Partly cloudy night
64° 💧 None 💨 3 mph H 85%30.15 inHg
Tomorrow
Mostly cloudy night · 1:00 AM Mostly cloudy night
65° 💧 None 💨 2 mph H 87%30.15 inHg
Mostly cloudy night · 4:00 AM Mostly cloudy night
65° 💧 None 💨 3 mph H 86%30.15 inHg
Mostly sunny · 7:00 AM Mostly sunny
65° 💧 None 💨 4 mph H 86%30.18 inHg
Sunny · 10:00 AM Sunny
73° 💧 None 💨 7 mph H 66%30.21 inHg
Partly cloudy · 1:00 PM Partly cloudy
75° 💧 None 💨 9 mph H 58%30.18 inHg
Partly cloudy · 4:00 PM Partly cloudy
74° 💧 None 💨 8 mph H 56%30.15 inHg
Mostly cloudy · 7:00 PM Mostly cloudy
68° 💧 None 💨 5 mph H 76%30.15 inHg
Mostly clear night · 10:00 PM Mostly clear night
66° 💧 None 💨 4 mph H 85%30.15 inHg
Tuesday
Mostly cloudy night · 1:00 AM Mostly cloudy night
66° 💧 None 💨 6 mph H 83%30.15 inHg
Overcast night · 4:00 AM Overcast night
65° 💧 None 💨 6 mph H 86%30.12 inHg
Overcast · 7:00 AM Overcast
64° 💧 None 💨 6 mph H 86%30.12 inHg
Mostly cloudy · 10:00 AM Mostly cloudy
71° 💧 None 💨 7 mph H 73%30.12 inHg
Overcast · 1:00 PM Overcast
80° 💧 None 💨 8 mph H 58%30.09 inHg
Mostly sunny · 4:00 PM Mostly sunny
82° 💧 None 💨 9 mph H 52%30.03 inHg

In Lake Catherine and, more broadly, across the state of Illinois: The evening will feature a mix of sun and clouds, with temperatures remaining mild to warm, ranging from 76 to 78 degrees Fahrenheit. Winds will be light and coming from the east, with speeds up to 8 mph, occasionally gusting to 18 mph. No precipitation is expected during this time, making for a relatively calm and pleasant evening. The weather should remain stable through the next few hours, with comfortable conditions and no significant weather disturbances anticipated. Overall, it’s a good evening for outdoor activities or relaxing outside. Temperatures will gradually stay steady, and the breeze will provide a gentle refreshment as the night progresses.

15-Day Weather Outlook for Lake Catherine

Tuesday, Sep 8Tue Sep 8 Mostly cloudy Mostly cloudy 82°/64° 💧 None 💨 9 mph
Wednesday, Sep 9Wed Sep 9 Thunderstorms Thunderstorms 78°/68° 💧 0.366 in 💨 11 mph
Thursday, Sep 10Thu Sep 10 Overcast Overcast 75°/62° 💧 None 💨 9 mph
Friday, Sep 11Fri Sep 11 Mostly sunny Mostly sunny 76°/58° 💧 None 💨 8 mph
Saturday, Sep 12Sat Sep 12 Overcast Overcast 77°/62° 💧 0.001 in 💨 10 mph
Sunday, Sep 13Sun Sep 13 Partly cloudy Partly cloudy 73°/61° 💧 0.001 in 💨 5 mph
Monday, Sep 14Mon Sep 14 Moderate rain Moderate rain 74°/61° 💧 0.493 in 💨 10 mph
Tuesday, Sep 15Tue Sep 15 Overcast Overcast 80°/70° 💧 0.001 in 💨 16 mph
Wednesday, Sep 16Wed Sep 16 Mostly sunny Mostly sunny 72°/54° 💧 None 💨 6 mph
Thursday, Sep 17Thu Sep 17 Partly cloudy Partly cloudy 72°/58° 💧 None 💨 6 mph
Friday, Sep 18Fri Sep 18 Mostly sunny Mostly sunny 65°/57° 💧 None 💨 17 mph
Saturday, Sep 19Sat Sep 19 Overcast Overcast 57°/49° 💧 0.005 in 💨 11 mph
Sunday, Sep 20Sun Sep 20 Mostly sunny Mostly sunny 62°/49° 💧 0.001 in 💨 6 mph
Monday, Sep 21Mon Sep 21 Mostly sunny Mostly sunny 54°/49° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Lake Catherine

Vertical axis: °F · Color based on temperature
Mostly sunny at 7:00 PM
68° Today 7:00 PM
Clear night at 8:00 PM
65° 8:00 PM
Mostly clear night at 9:00 PM
65° 9:00 PM
Partly cloudy night at 10:00 PM
64° 10:00 PM
Partly cloudy night at 11:00 PM
64° Today 11:00 PM
Mostly cloudy night at 12:00 AM
64° 12:00 AM
Mostly cloudy night at 1:00 AM
65° 1:00 AM
Overcast night at 2:00 AM
65° 2:00 AM
Partly cloudy night at 3:00 AM
65° Tomorrow 3:00 AM
Mostly cloudy night at 4:00 AM
65° 4:00 AM
Clear night at 5:00 AM
65° 5:00 AM
Clear night at 6:00 AM
64° 6:00 AM
Mostly sunny at 7:00 AM
65° Tomorrow 7:00 AM
Sunny at 8:00 AM
69° 8:00 AM
Sunny at 9:00 AM
71° 9:00 AM
Sunny at 10:00 AM
73° 10:00 AM
Partly cloudy at 11:00 AM
74° Tomorrow 11:00 AM
Mostly sunny at 12:00 PM
75° 12:00 PM
Partly cloudy at 1:00 PM
75° 1:00 PM
Partly cloudy at 2:00 PM
75° 2:00 PM
Mostly sunny at 3:00 PM
75° Tomorrow 3:00 PM
Partly cloudy at 4:00 PM
74° 4:00 PM
Mostly cloudy at 5:00 PM
73° 5:00 PM
Mostly cloudy at 6:00 PM
71° 6:00 PM
Mostly cloudy at 7:00 PM
68° Tomorrow 7:00 PM
Mostly clear night at 8:00 PM
66° 8:00 PM
Mostly clear night at 9:00 PM
66° 9:00 PM
Mostly clear night at 10:00 PM
66° 10:00 PM
Partly cloudy night at 11:00 PM
67° Tomorrow 11:00 PM
Mostly cloudy night at 12:00 AM
68° 12:00 AM
Mostly cloudy night at 1:00 AM
66° 1:00 AM
Overcast night at 2:00 AM
66° 2:00 AM
Overcast night at 3:00 AM
65° Tuesday 3:00 AM
Overcast night at 4:00 AM
65° 4:00 AM
Overcast night at 5:00 AM
64° 5:00 AM
Overcast night at 6:00 AM
64° 6:00 AM
Overcast at 7:00 AM
64° Tuesday 7:00 AM
Overcast at 8:00 AM
66° 8:00 AM
Overcast at 9:00 AM
68° 9:00 AM
Mostly cloudy at 10:00 AM
71° 10:00 AM
Mostly cloudy at 11:00 AM
75° Tuesday 11:00 AM
Mostly cloudy at 12:00 PM
78° 12:00 PM
Overcast at 1:00 PM
80° 1:00 PM
Mostly cloudy at 2:00 PM
81° 2:00 PM
Partly cloudy at 3:00 PM
82° Tuesday 3:00 PM
Mostly sunny at 4:00 PM
82° 4:00 PM
Mostly sunny at 5:00 PM
81° 5:00 PM
Mostly sunny at 6:00 PM
79° 6:00 PM
Sunny at 7:00 PM
76° Tuesday 7:00 PM
Clear night at 8:00 PM
75° 8:00 PM
Clear night at 9:00 PM
74° 9:00 PM
Mostly clear night at 10:00 PM
74° 10:00 PM
Overcast night at 11:00 PM
74° Tuesday 11:00 PM
Overcast night at 12:00 AM
75° 12:00 AM
Overcast night at 1:00 AM
75° 1:00 AM
Overcast night at 2:00 AM
75° 2:00 AM
Overcast night at 3:00 AM
74° Wednesday 3:00 AM
Overcast night at 4:00 AM
73° 4:00 AM
Light rain at 5:00 AM
70° 5:00 AM
Thunderstorms at 6:00 AM
68° 6:00 AM
Light thunderstorms at 7:00 AM
68° Wednesday 7:00 AM
Light rain at 10:00 AM
69° 10:00 AM
Overcast at 1:00 PM
78° 1:00 PM
Mostly cloudy at 4:00 PM
78° 4:00 PM
Overcast at 7:00 PM
75° Wednesday 7:00 PM
Mostly cloudy night at 10:00 PM
72° 10:00 PM
Partly cloudy night at 1:00 AM
67° 1:00 AM
Overcast night at 4:00 AM
64° 4:00 AM
Partly cloudy at 7:00 AM
62° Thursday 7:00 AM
Sunny at 10:00 AM
69° 10:00 AM
Partly cloudy at 1:00 PM
73° 1:00 PM
Mostly sunny at 4:00 PM
74° 4:00 PM
Mostly sunny at 7:00 PM
67° Thursday 7:00 PM
Clear night at 10:00 PM
63° 10:00 PM
Clear night at 1:00 AM
60° 1:00 AM
Clear night at 4:00 AM
58° 4:00 AM
Sunny at 7:00 AM
59° Friday 7:00 AM
Sunny at 10:00 AM
70° 10:00 AM
Sunny at 1:00 PM
75° 1:00 PM
Sunny at 4:00 PM
76° 4:00 PM
Sunny at 7:00 PM
69° Friday 7:00 PM
Overcast night at 10:00 PM
66° 10:00 PM
Partly cloudy night at 1:00 AM
65° 1:00 AM
Partly cloudy night at 4:00 AM
62° 4:00 AM
Partly cloudy at 7:00 AM
64° Saturday 7:00 AM
Overcast at 1:00 PM
77° 1:00 PM
Sunny at 7:00 PM
71° 7:00 PM
Partly cloudy night at 1:00 AM
63° 1:00 AM
Partly cloudy at 7:00 AM
61° Sunday 7:00 AM
Overcast at 1:00 PM
73° 1:00 PM
Moderate rain at 7:00 PM
64° 7:00 PM
Light rain at 1:00 AM
61° 1:00 AM
Overcast at 7:00 AM
64° Monday 7:00 AM
Overcast at 1:00 PM
74° 1:00 PM
Mostly sunny at 7:00 PM
75° 7:00 PM
Partly cloudy night at 1:00 AM
80° 1:00 AM
Overcast at 7:00 AM
72° Tuesday 7:00 AM
Partly cloudy at 1:00 PM
70° 1:00 PM
Mostly sunny at 7:00 PM
64° 7:00 PM
Clear night at 1:00 AM
57° 1:00 AM
Sunny at 7:00 AM
54° Wednesday 7:00 AM
Partly cloudy at 1:00 PM
72° 1:00 PM
Sunny at 7:00 PM
64° 7:00 PM
Clear night at 1:00 AM
59° 1:00 AM
Partly cloudy at 7:00 AM
58° Thursday 7:00 AM
Partly cloudy at 1:00 PM
72° 1:00 PM
Mostly sunny at 7:00 PM
65° 7:00 PM
Mostly clear night at 1:00 AM
59° 1:00 AM
Mostly sunny at 7:00 AM
57° Friday 7:00 AM
Mostly sunny at 1:00 PM
62° 1:00 PM
Clear night at 7:00 PM
56° 7:00 PM
Mostly clear night at 1:00 AM
52° 1:00 AM
Partly cloudy at 7:00 AM
49° Saturday 7:00 AM
Overcast at 1:00 PM
57° 1:00 PM
Clear night at 7:00 PM
53° 7:00 PM
Clear night at 1:00 AM
49° 1:00 AM
Mostly sunny at 7:00 AM
49° Sunday 7:00 AM
Mostly sunny at 1:00 PM
62° 1:00 PM
Clear night at 7:00 PM
54° 7:00 PM
Clear night at 1:00 AM
52° 1:00 AM
Mostly sunny at 7:00 AM
49° Monday 7:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Lake Catherine

Hourly forecast · Updated every 2 hours
Moderate
Nearest forecast value 7:00 PM
PM2.5 Fine particles Good 6,3µg/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 7,1µg/m³

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

O₃ Ozone Moderate 109,4µg/m³

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

NO₂ Nitrogen dioxide Good 4,3µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Lake Catherine

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 7,2High 😐Moderate
Tomorrow UV 7,1High 😐Moderate
Tuesday UV 6,5High 😐Moderate
Wednesday UV 3,7Moderate 🙂Fair
Thursday UV 5,8Moderate 🙂Fair
Friday UV 6,0High Unavailable
Saturday UV 7,0High Unavailable
Hourly UV index today
7:00 PMUV 0,0
Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor 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 Lake Catherine

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

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

93/100Best-hour score
BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:56 PM–4:46 AM
Cloud cover 7% Real hourly forecast for the best viewing hour.
Moonlight 21% Waning Crescent · Moon about 29° above the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 88° high at the best hour.
Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min75%
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 Lake Catherine were last refreshed today at 6:55 PM. The current forecast period extends through 08/09/2026 at 4:00 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.