Illinois (Chicago)
March
Weather in Illinois for March 2025
Your guide to Illinois weather in March - trends and predictions
Snowfall in Illinois during March is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Illinois at the beginning of March is 9.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 8 °F by the end of March.
Illinois sees moderate rainfall in March, averaging 7 rainy days.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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23
Dry days
7
Rainy days
1
Snow days
11°/-1°
Temperatures
25 km/h
Avg max wind
71 %
Avg humidity
Illinois in March average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  9° | 2  8° | |||||
| 3  9° | 4 13° | 5  9° | 6  9° | 7  7° | 8 7° | 9 5° |
| 10  4° | 11  8° | 12 10° | 13 8° | 14  8° | 15 8° | 16  10° |
| 17 7° | 18 1° | 19 8° | 20 8° | 21 6° | 22 10° | 23 7° |
| 24 5° | 25 7° | 26 9° | 27 5° | 28 7° | 29 7° | 30 11° |
| 31 10° |
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Temperatures trend during March in Illinois
See the weather trend as well as the moving average line
March weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Mar. 1 | Patchy rain possible | 9° /3° | 0.3 mm | 0 cm | |
| Mar. 2 | Overcast | 8° /2° | 0 mm | 0 cm | |
| Mar. 3 | Heavy snow | 9° /3° | 7.6 mm | 0.4 cm | |
| Mar. 4 | Overcast | 13° /5° | 0.8 mm | 0 cm | |
| Mar. 5 | Fog | 9° /2° | 5.2 mm | 0 cm | |
| Mar. 6 | Moderate or heavy rain with thunder | 9° /3° | 3.5 mm | 0 cm | |
| Mar. 7 | Light snow | 7° /2° | 0 mm | 0 cm | |
| Mar. 8 | Overcast | 7° /2° | 9 mm | 0 cm | |
| Mar. 9 | Patchy rain possible | 5° /0° | 2.5 mm | 0.6 cm | |
| Mar. 10 | Moderate or heavy snow showers | 4° /0° | 14.1 mm | 6.1 cm | |
| Mar. 11 | Light snow showers | 8° /1° | 0.1 mm | 0.1 cm | |
| Mar. 12 | Heavy snow | 10° /4° | 4.3 mm | 3 cm | |
| Mar. 13 | Light snow showers | 8° /3° | 1.1 mm | 0.1 cm | |
| Mar. 14 | Partly cloudy | 8° /1° | 8.2 mm | 0 cm | |
| Mar. 15 | Overcast | 8° /0° | 0.4 mm | 0 cm | |
| Mar. 16 | Light rain | 10° /4° | 4.7 mm | 0 cm | |
| Mar. 17 | Light snow | 7° /-2° | 2.3 mm | 0 cm | |
| Mar. 18 | Light snow | 1° /-4° | 0 mm | 0 cm | |
| Mar. 19 | Partly cloudy | 8° /-3° | 0 mm | 0 cm | |
| Mar. 20 | Overcast | 8° /-1° | 0 mm | 0 cm | |
| Mar. 21 | Overcast | 6° /0° | 0.2 mm | 0 cm | |
| Mar. 22 | Light drizzle | 10° /2° | 4.1 mm | 0 cm | |
| Mar. 23 | Moderate or heavy rain with thunder | 7° /1° | 7.7 mm | 0.1 cm | |
| Mar. 24 | Light drizzle | 5° /0° | 1.2 mm | 0 cm | |
| Mar. 25 | Moderate or heavy snow showers | 7° /3° | 41.6 mm | 6.2 cm | |
| Mar. 26 | Light rain shower | 9° /1° | 5.4 mm | 0 cm | |
| Mar. 27 | Heavy snow | 5° /-1° | 12.2 mm | 0.3 cm | |
| Mar. 28 | Overcast | 7° /0° | 0 mm | 0 cm | |
| Mar. 29 | Moderate or heavy snow showers | 7° /2° | 2.7 mm | 0.8 cm | |
| Mar. 30 | Overcast | 11° /2° | 5.4 mm | 0 cm | |
| Mar. 31 | Light rain shower | 10° /5° | 7.4 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.
Illinois in March - FAQ
What are the expected maximum and minimum temperatures in Illinois during March?
Prepare for cooler days with highs just around 11° and colder nights, dipping below -1°.
How much rainfall should be expected in Illinois during March?
Significant rainfall exceeding 303.7 mm is expected in Illinois during March, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Illinois in March 2025?
Illinois experiences an average snowfall of 35.2 cm during March, occurring over 1 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 2025
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March rainfall patterns in Illinois
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