Cook County (Chicago)
March
Weather in Cook County, Illinois for March 2027
Your guide to Cook County weather in March - trends and predictions
With an average of 3 snowy days, Cook County usually enjoys a light touch of snow in March.
In general, the average temperature in Cook County at the beginning of March is 6.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 8.8 °C by the end of March.
Cook County experiences moderate rainfall in March, with an average of 9 rainy days and a total precipitation of 143.6 mm.
Is March a good time to visit Cook County? check out the best time to travel to Cook County page.
✨ Is March a good time to visit Cook County? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
Rain 🌧️
More
19
Dry days
9
Rainy days
3
Snow days
8°/1°
Temperatures
25 km/h
Avg max wind
73 %
Avg humidity
Cook County Weather March
Move between months or click on a day
Temperatures trend during March in Cook County
See the weather trend as well as the moving average line
March weather in Cook County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Mar. 1 |  Cloudy | 4° /-1° | 0.1 mm | 0 cm | |
| Mar. 2 |  Overcast | 6° /-1° | 0.1 mm | 0 cm | |
| Mar. 3 |  Light rain | 6° /1° | 2.5 mm | 0.1 cm | |
| Mar. 4 | Light rain | 7° /2° | 3.9 mm | 0 cm | |
| Mar. 5 | Light rain | 8° /1° | 6.3 mm | 0 cm | |
| Mar. 6 |  Patchy rain possible | 9° /1° | 2.2 mm | 0 cm | |
| Mar. 7 | Light rain | 6° /1° | 3.2 mm | 0.1 cm | |
| Mar. 8 | Light rain | 8° /1° | 3 mm | 0 cm | |
| Mar. 9 | Cloudy | 8° /2° | 0.8 mm | 0.2 cm | |
| Mar. 10 |  Light snow | 8° /2° | 5 mm | 2 cm | |
| Mar. 11 |  Heavy rain | 8° /1° | 25.8 mm | 0 cm | |
| Mar. 12 | Light snow | 6° /1° | 1.4 mm | 1 cm | |
| Mar. 13 |  Partly cloudy | 7° /1° | 0.5 mm | 0 cm | |
| Mar. 14 | Light rain | 8° /2° | 2.7 mm | 0 cm | |
| Mar. 15 | Light rain | 9° /2° | 7.2 mm | 0.8 cm | |
| Mar. 16 | Light rain | 8° /1° | 3.1 mm | 0.4 cm | |
| Mar. 17 | Patchy rain possible | 7° /-1° | 2.2 mm | 0 cm | |
| Mar. 18 | Light rain | 5° /0° | 3.6 mm | 0.5 cm | |
| Mar. 19 | Patchy rain possible | 8° /0° | 1 mm | 0 cm | |
| Mar. 20 | Patchy rain possible | 9° /1° | 1.3 mm | 0 cm | |
| Mar. 21 | Overcast | 9° /2° | 0.1 mm | 0 cm | |
| Mar. 22 | Light rain | 10° /3° | 6.1 mm | 0 cm | |
| Mar. 23 |  Moderate or heavy rain shower | 7° /3° | 9.3 mm | 0 cm | |
| Mar. 24 | Patchy rain possible | 7° /2° | 2.4 mm | 0 cm | |
| Mar. 25 | Light snow | 8° /3° | 16.9 mm | 2.1 cm | |
| Mar. 26 | Light rain | 8° /1° | 2.8 mm | 0 cm | |
| Mar. 27 | Light rain | 5° /1° | 5 mm | 0.1 cm | |
| Mar. 28 | Light rain | 8° /1° | 3 mm | 0 cm | |
| Mar. 29 | Patchy rain possible | 9° /2° | 1 mm | 0.3 cm | |
| Mar. 30 |  Moderate rain | 14° /4° | 15.5 mm | 0 cm | |
| Mar. 31 | Light rain | 10° /5° | 5.4 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Cook County in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cook County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Cook County in March - FAQ
What are the expected maximum and minimum temperatures in Cook County during March?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 1°.
How much rainfall should be expected in Cook County during March?
Significant rainfall exceeding 143.6 mm is expected in Cook County during March, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Cook County in March 2027?
Cook County experiences an average snowfall of 7.6 cm during March, occurring over 3 days.
What are the typical wind conditions in Cook County during March?
The average wind speed in Cook County during March is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
Cook County snow forecast March 2027
Track daily snowfall levels and discover Cook County’s snowy potential this March ❄️
On average, Cook County sees 3 snowy days during March, with approximately 7.6 cm of total snowfall.
March rainfall patterns in Cook County
Explore the daily rainfall trends and prepare for Cook Countys March weather 💧
Typically, Cook County has 9 rainy days in March with a total of 143.6 mm of rainfall.
Top locations in Cook County
Select a location for an accurate weather forecast
More Locations Quick links
More Cook County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.