Illinois (Chicago)
March
Weather in Illinois for March 2027
Your guide to Illinois weather in March - trends and predictions
With an average of 3 snowy days, Illinois usually enjoys a light touch of snow in March.
In general, the average temperature in Illinois 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.
Illinois 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 Illinois? check out the best time to travel to Illinois page.
✨ Is March a good time to visit Illinois? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
Rain 🌧️
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19
Dry days
9
Rainy days
3
Snow days
8°/1°
Temperatures
25 km/h
Avg max wind
73 %
Avg humidity
Illinois Weather March
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What’s the Weather Like in Illinois This March?
Discover the average temperatures and weather trends across Illinois’s cities this March.
Temperatures trend during March in Illinois
See the weather trend as well as the moving average line
March weather in Illinois day by day
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| 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 | |
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Important Notice
Our weather forecast for Illinois 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 Illinois forecast closer to your planned date for the most up-to-date weather information.
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Illinois in March - FAQ
What are the expected maximum and minimum temperatures in Illinois during March?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 1°.
How much rainfall should be expected in Illinois during March?
Significant rainfall exceeding 143.6 mm is expected in Illinois during March, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Illinois in March 2027?
Illinois experiences an average snowfall of 7.6 cm during March, occurring over 3 days.
What are the typical wind conditions in Illinois during March?
The average wind speed in Illinois during March is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
Illinois snow forecast March 2027
Track daily snowfall levels and discover Illinois’s snowy potential this March ❄️
On average, Illinois sees 3 snowy days during March, with approximately 7.6 cm of total snowfall.
March rainfall patterns in Illinois
Explore the daily rainfall trends and prepare for Illinoiss March weather 💧
Typically, Illinois has 9 rainy days in March with a total of 143.6 mm of rainfall.
Counties in Illinois
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