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Chicago Weather by Month
Live conditions, a 7-day forecast and monthly climate patterns for Chicago, United States of America.
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Live weather
Chicago right now
12 C Good arrival weather Feels like 9 C / Updated 03 Oct, 00:45Trip notes
Light layers should cover most plans. Current reading is local night-time.Next 7 days
Chicago travel forecast
Highs, lows, rain chance, precipitation, wind, UV and sunshine for the next travel week.
Sat 03 Oct
17 / 11 C
Clear sky
- Rain chance
- 3%
- Rain
- 0.0 mm
- Wind
- 17 km/h
- UV
- 5
- Sun
- 06:49 - 18:28
- Sunshine
- 11.0 h
Sun 04 Oct
20 / 10 C
Overcast
- Rain chance
- 5%
- Rain
- 0.0 mm
- Wind
- 16 km/h
- UV
- 5
- Sun
- 06:50 - 18:26
- Sunshine
- 10.2 h
Mon 05 Oct
18 / 13 C
Clear sky
- Rain chance
- 0%
- Rain
- 0.0 mm
- Wind
- 15 km/h
- UV
- 5
- Sun
- 06:51 - 18:25
- Sunshine
- 11.1 h
Tue 06 Oct
22 / 12 C
Clear sky
- Rain chance
- 0%
- Rain
- 0.0 mm
- Wind
- 19 km/h
- UV
- 5
- Sun
- 06:53 - 18:23
- Sunshine
- 11.0 h
Wed 07 Oct
25 / 15 C
Overcast
- Rain chance
- 1%
- Rain
- 0.0 mm
- Wind
- 20 km/h
- UV
- 5
- Sun
- 06:54 - 18:21
- Sunshine
- 11.0 h
Thu 08 Oct
21 / 16 C
Overcast
- Rain chance
- 3%
- Rain
- 0.0 mm
- Wind
- 15 km/h
- UV
- 4
- Sun
- 06:55 - 18:20
- Sunshine
- 11.0 h
Fri 09 Oct
20 / 14 C
Drizzle
- Rain chance
- 3%
- Rain
- 3.0 mm
- Wind
- 13 km/h
- UV
- 4
- Sun
- 06:56 - 18:18
- Sunshine
- 9.1 h
Monthly climate
Temperature, rain and wind in Chicago
Month-by-month averages for planning when to go, what to pack and how weather-sensitive the trip may be.
Best travel months
Average Temperature
Chicago
Mean monthly temperatureAverage High Low Temperature
Chicago
Typical daytime highs and night lowsAverage Day Temperature
Chicago
Monthly average highAverage Night Temperature
Chicago
Monthly average lowAverage Rainfall
Chicago
Total precipitation by monthAverage Rainy Days
Chicago
Days with measurable precipitationAverage Wind Speed
Chicago
Mean wind speed by month| Month | Mean C | High C | Low C | Precipitation mm | Rainy days | Snow cm | Wind km/h |
|---|---|---|---|---|---|---|---|
| January | -3.77 | -0.40 | -7.08 | 61.75 | 14.60 | 2.00 | 18.19 |
| February | -2.90 | 1.00 | -6.77 | 60.10 | 12.07 | 2.09 | 18.23 |
| March | 2.71 | 6.62 | -0.84 | 78.04 | 14.40 | 0.95 | 17.69 |
| April | 7.96 | 11.97 | 4.12 | 103.43 | 16.80 | 0.49 | 17.89 |
| May | 14.36 | 18.38 | 10.44 | 120.54 | 16.73 | 16.01 | |
| June | 20.59 | 24.68 | 16.64 | 108.39 | 15.47 | 14.74 | |
| July | 23.32 | 26.87 | 19.83 | 124.71 | 16.73 | 12.84 | |
| August | 22.69 | 26.18 | 19.29 | 96.51 | 15.93 | 12.66 | |
| September | 19.46 | 22.99 | 16.12 | 84.17 | 12.93 | 14.77 | |
| October | 12.68 | 16.17 | 9.40 | 110.28 | 14.20 | 0.10 | 17.57 |
| November | 5.21 | 8.48 | 2.08 | 61.03 | 11.87 | 0.67 | 18.30 |
| December | 0.26 | 3.34 | -2.73 | 62.99 | 13.20 | 0.95 | 17.20 |
Monthly averages
Average temperature by month in Chicago
Monthly climate averages for Chicago, United States of America.
Monthly climate is refreshing
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Use live conditions for arrivals and monthly averages for choosing dates. Weather can shift, so check again close to departure.
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Forecasts and climate averages
Should I use the forecast or monthly averages?
Use the forecast for the days it covers. Monthly averages help compare seasons for a later trip; they cannot predict the weather on a particular future day.
What if a forecast is unavailable?
The page cannot provide current conditions for that request. You can still use any recorded climate information, but it is not a substitute for a current forecast.
Where does the weather data come from?
Provider links and available dates appear with the weather information. Forecast data and climate summaries have different periods and should be read separately.