Ontario (Toronto)
March
Weather in Ontario for March 2025
Your guide to Ontario weather in March - trends and predictions
Expect heavy snowfall in Ontario during March, with an average of 19 snowy days.
According to Ontario snow forecast for March 2025, 5 snowy days are expected at the beginning of March. The first snowfall for March is expected in Saturday, 1 March.The forecast for the first days of March 2025 in Ontario predicts a temperature of -0.6 °C, which is slightly above the historical average.
In general, the average temperature in Ontario at the beginning of March is -1.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 6.7 °C by the end of March.
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Snow Forecast ❄️
Temperatures
More
5
Dry days
7
Rainy days
19
Snow days
5°/-1°
Temperatures
21 km/h
Avg max wind
71 %
Avg humidity
Ontario Weather March
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  2° | ||||||
| 2  -7° | 3  -3° | 4  0° | 5  1° | 6 1° | 7  -5° | 8 3° |
| 9 5° | 10 4° | 11 5° | 12 5° | 13  6° | 14 5° | 15 3° |
| 16 5° | 17 8° | 18 4° | 19 5° | 20 7° | 21 5° | 22 6° |
| 23 5° | 24 7° | 25 8° | 26  7° | 27 5° | 28 5° | 29 6° |
| 30 7° | 31 9° |
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Temperatures trend during March in Ontario
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 |
|---|---|---|---|---|---|
| 1 Mar. | Heavy snow | 2° /-11° | 2.9 mm | 2.1 cm | |
| 2 Mar. | Light freezing rain | -7° /-13° | 0.1 mm | 0 cm | |
| 3 Mar. | Cloudy | -3° /-14° | 0 mm | 0 cm | |
| 4 Mar. | Overcast | 0° /-4° | 0.1 mm | 0 cm | |
| 5 Mar. | Light sleet | 1° /-1° | 4.1 mm | 0.5 cm | |
| 6 Mar. | Light freezing rain | 1° /-5° | 0.3 mm | 0.2 cm | |
| 7 Mar. | Partly cloudy | -5° /-11° | 0 mm | 0 cm | |
| 8 Mar. | Cloudy | 3° /-3° | 0.1 mm | 0 cm | |
| 9 Mar. | Overcast | 5° /0° | 10.6 mm | 0 cm | |
| 10 Mar. | Overcast | 4° /-1° | 3 mm | 0.5 cm | |
| 11 Mar. | Overcast | 5° /-1° | 1.4 mm | 0.2 cm | |
| 12 Mar. | Partly cloudy | 5° /-4° | 0.6 mm | 0.4 cm | |
| 13 Mar. | Sunny | 6° /-2° | 1.8 mm | 1.4 cm | |
| 14 Mar. | Partly cloudy | 5° /-1° | 6.3 mm | 0.1 cm | |
| 15 Mar. | Sunny | 3° /-3° | 2.9 mm | 1 cm | |
| 16 Mar. | Overcast | 5° /-1° | 0.6 mm | 0 cm | |
| 17 Mar. | Overcast | 8° /0° | 5.1 mm | 0 cm | |
| 18 Mar. | Overcast | 4° /-1° | 1.3 mm | 0 cm | |
| 19 Mar. | Sunny | 5° /-2° | 2.5 mm | 0.2 cm | |
| 20 Mar. | Sunny | 7° /-1° | 0.7 mm | 0.3 cm | |
| 21 Mar. | Overcast | 5° /-1° | 0.1 mm | 0 cm | |
| 22 Mar. | Overcast | 6° /-1° | 2.6 mm | 2 cm | |
| 23 Mar. | Overcast | 5° /0° | 9 mm | 1.2 cm | |
| 24 Mar. | Overcast | 7° /0° | 1.8 mm | 0 cm | |
| 25 Mar. | Overcast | 8° /1° | 9 mm | 5.1 cm | |
| 26 Mar. | Moderate or heavy rain shower | 7° /1° | 7.4 mm | 0 cm | |
| 27 Mar. | Cloudy | 5° /-1° | 1.4 mm | 1 cm | |
| 28 Mar. | Overcast | 5° /-2° | 1 mm | 0 cm | |
| 29 Mar. | Cloudy | 6° /-2° | 0.8 mm | 0.7 cm | |
| 30 Mar. | Cloudy | 7° /-1° | 1 mm | 0.3 cm | |
| 31 Mar. | Overcast | 9° /1° | 3.4 mm | 0.1 cm | |
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Important Notice
Our weather forecast for Ontario 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 Ontario forecast closer to your planned date for the most up-to-date weather information.
Ontario in March - FAQ
What are the expected maximum and minimum temperatures in Ontario during March?
Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Ontario during March?
Moderate rainfall is anticipated in Ontario during March, with a total of 84.8 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
Will it snow in Ontario in March 2025?
Ontario experiences an average snowfall of 17.82 cm during March, occurring over 19 days.
What are the typical wind conditions in Ontario during March?
The average wind speed in Ontario during March is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
Ontario snow forecast March 2025
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March rainfall patterns in Ontario
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