Chicago weather
At 4:00 PM local time it was cloudy and 14°C (57°F). Light rain for 2 of the next 24 hours (under 1 mm/h, 0.8 mm total) — cloudy, but fine to be out. Best months for weather: Jun–Sep. Chicago sits 179 m (587 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Chicago, Illinois, United States.
Current conditions
- Clouds
- 100%
- Chance of rain
- 4%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 2 of the next 24 hours (under 1 mm/h, 0.8 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Jun–SepOff season Nov–Apr
About Chicago weather
Is it raining in Chicago right now?
No. It’s cloudy and 14° right now. Light rain for 2 of the next 24 hours (under 1 mm/h, 0.8 mm total) — cloudy, but fine to be out.
What’s the weather like in Chicago this week?
Over the next 7 days, expect highs of 13–20° and lows of 10–16°. Rain is likely on 3 of 7 days (Tuesday, Wednesday, Friday). The driest day looks like Sunday.
Has it been raining in Chicago lately?
Barely. The past 7 days were mostly dry, with 0.0 mm of rain in total.
What should I pack for Chicago?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Chicago weather by month
When is the best time to visit Chicago?
Based on weather alone, the best time to visit Chicago is Jun–Sep, according to NASA's 2001–2025 climate averages. Nov–Apr tends to be the least pleasant. Average highs run from 0°C (32°F) in January to 25°C (77°F) in July.
What is the rainiest month in Chicago?
May is the wettest month, with about 117 mm (4.6 in) of rain on average. January is the driest, with about 48 mm (1.9 in).
What is the hottest month in Chicago?
July is the warmest, with average highs of 25°C (77°F) and lows of 20°C (68°F). January is the coolest, with highs of 0°C (32°F) and lows of -5°C (23°F).
Does Chicago have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is May at about 117 mm (4.6 in).
Chicago weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months