May 3 is generally a great time to visit Chicago. While there is a slight chance of rain (29%), showers are usually brief. Expect comfortable 15°C weather. Chicago is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Chicago
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Connect
The first Internet café in the United St...
Safety
Moderate Safety
GPI: 2.44
Chicago Weather Forecast for May 3
"Mild & Comfortable. Expect average highs of 14.9°C. 29% chance of rain."
What to Wear in Chicago in May
Based on historical data for May 3, Chicago typically experiences temperatures between 7.7°C and 14.9°C. We recommend packing light jacket, long pants to stay comfortable. With a 29% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Chicago
Smart Suitcase
- Light Jacket
- Long Pants
Average High
14.9°C
Daytime Peak
Average Low
7.7°C
Nighttime Low
Feels Like
14.9°C
🌤️ Feels accurate
Rain Chance
29%
Avg 1.8mm if it rains
Cloud Cover
65%
Overcast
Pressure
1013.8 hPa
Medium volatility
Chicago Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 09:30
16:00 - 18:00
Type I-II
🔴 17 min to burn
Type III-IV
🟡 26 min to burn
Type V-VI
🟢 43 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
10.5°C
Pleasant
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
High
99/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~1,351
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Chicago
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:45
☀️ Noon
11:48
🌇 Sunset
18:51
⏱️ Daylight
14h 6m
Wind Speed
22.8 km/h
Moderate wind
Sunshine
9.2 hrs
Direct Sun (Cloud-free)
Humidity
75%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Chicago
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Chicago
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Chicago on May 3 averages 14.9°C with a 29% precipitation probability. Wedding/Outdoor Event Score: 88/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Chicago Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 3) in other destinations
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📍 Is Chicago Worth Visiting on May 3?
Planning a trip to Chicago on May 3? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 14.9°C with a 29% historical precipitation risk.
✈️ Travel Logistics: Approximately 1,351 landing slots available daily during this period, indicating peak tourist activity.
📊 Historical Extremes: The hottest May 3 recorded in the last 30 years saw temperatures hit 22.7°C in 2021, while the coldest dropped to 2.7°C in 2023.