Chicago, US Clear Sky Chart

Chicago, US (41.88°, -87.63°) · Updated 11:09 CDT
88
Excellent
high confidence ⓘ
high · Forecast lead time

Based on how far ahead tonight is, forecasts are most reliable within 24–48 hours.

Confidence reflects how trustworthy the forecast is, it doesn't change the score.

Go out tonight
BEST 20:00–04:54 (8h 55m)
Near-perfect skies with very low moonlight. Some haze, so transparency is slightly reduced.
Sunset
19:03
Sunrise
06:29
Usable Hours
9/9
Moon
8%
Visible Planets
♀ Venus11° SW
♂ Mars37° E
♃ Jupiter15° E
♄ Saturn51° S
⛢ Uranus67° SE
♆ Neptune48° S
Open Full Chicago, US Forecast →
Hour-by-hour scores · Planet rise/set & visibility · ISS & satellite passes · Moon detail · Full score breakdown · Aurora & observer profiles

Stargazing in Chicago, US

Chicago's lakefront Bortle 8–9 is among the brightest in the Midwest, but driving 90 minutes west or south reaches Bortle 4–5 rural Illinois. The Adler Planetarium hosts regular lakefront stargazing events. Lake Michigan creates its own weather — lake-effect clouds are common in autumn and winter, but offshore breezes in summer can keep the sky clear. The flat terrain provides huge open horizons in every direction once out of the urban area.

Chicago, US Stargazing FAQ

Where can I stargaze near Chicago?∨
Rural Illinois and Indiana reach Bortle 4-5 within 90 minutes of the city. The Adler Planetarium hosts regular lakefront stargazing events. Indiana Dunes on the south shore of Lake Michigan offers a darker horizon.
Does Lake Michigan affect stargazing in Chicago?∨
Yes — in both directions. Lake-effect clouds are common in autumn and winter, but the dark water provides a low-light-pollution horizon to the east. Summer offshore breezes can keep the city sky clearer than inland areas.
When is the best time to stargaze in Chicago?∨
Summer and early autumn offer the most reliable clear skies. Winter can be very clear during high-pressure systems, but lake-effect cloud cover is unpredictable.

Stargazing guides

Is Tonight Good for Stargazing?

The answer depends on five things you can check right now.

Light Pollution & the Bortle Scale

How dark is your sky: and what difference does it make?

What Planets Are Visible Tonight?

Real visibility data for all 7 naked-eye and telescope planets, calculated for your location.

Meteor Shower Calendar 2026

Every shower this year: peak dates, expected rates, moon interference, and the two you absolutely cannot miss.
Check light pollution for this area ↗

Other locations

London Edinburgh Manchester Birmingham Glasgow Cardiff Belfast Leeds Bristol Liverpool Inverness Aberdeen York Cambridge Ballymena Bath Oxford Nottingham Sheffield Newcastle Dublin New York Los Angeles Houston Phoenix Denver San Francisco Seattle Austin Boston Miami Portland Nashville Minneapolis Salt Lake City Tucson Flagstaff Sedona Moab Anchorage Toronto Vancouver Montreal Calgary Jasper Paris Berlin Munich Amsterdam Rome Madrid Barcelona Lisbon Vienna Prague Copenhagen Stockholm Helsinki Oslo Tromsø Reykjavik Zurich Warsaw Budapest Athens Brussels Kiruna Rovaniemi Tenerife La Palma Tokyo Seoul Singapore Bangkok Dubai Mumbai Delhi Taipei Hong Kong Bali Sydney Melbourne Brisbane Perth Auckland Queenstown Cape Town Johannesburg Nairobi Marrakech Cairo Buenos Aires São Paulo Santiago Atacama Bogotá Mauna Kea Cherry Springs Galloway Forest Northumberland Cork Galway Plymouth Norwich Exeter Aberystwyth Kielder San Diego Las Vegas Dallas Atlanta Philadelphia Washington DC Albuquerque Big Bend Bryce Canyon Death Valley Ottawa Edmonton Winnipeg Yellowknife Milan Naples Krakow Geneva Nice Abisko Pic du Midi Sierra Nevada Faroe Islands Osaka Beijing Shanghai Kuala Lumpur Manila Abu Dhabi Tel Aviv Riyadh Istanbul Kyoto Adelaide Canberra Hobart Darwin Wellington Christchurch Lake Tekapo Uluru Windhoek Sutherland Casablanca Tunis Addis Ababa Accra Dar es Salaam Lagos Lima Quito Montevideo La Paz Elqui Valley Mendoza Cusco Asunción

See all locations on the map →