Ontario
March
Weather in Ontario for March 2025
Your guide to Ontario weather in March - trends and predictions
Wind Advisory - See hour by hour.
Until now, March 2025 in Ontario is slightly cooler than the historical average by -1 °F.
In general, the average temperature in Ontario at the beginning of March is 12.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 15.6 °F by the end of March.
Ontario experiences moderate rainfall in March, with an average of 8 rainy days and a total precipitation of 148.2 mm.
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Temperatures
Rain 🌧️
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23
Dry days
8
Rainy days
0
Snow days
16°/7°
Temperatures
15 km/h
Avg max wind
62 %
Avg humidity
Ontario Weather March
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  11° | ||||||
| 2 10° | 3 11° | 4  15° | 5  14° | 6  11° | 7 13° | 8 19° |
| 9  19° | 10 19° | 11 13° | 12 14° | 13 13° | 14 10° | 15 14° |
| 16 17° | 17 16° | 18  19° | 19 21° | 20 21° | 21 22° | 22 21° |
| 23 19° | 24  21° | 25 23° | 26 17° | 27 16° | 28 16° | 29 14° |
| 30 9° | 31   14° |
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Access Ontario weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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 | UV | More |
|---|---|---|---|---|---|
| Mar. 1 | Patchy rain possible | 11° /5° | 0.7 mm | 3 | |
| Mar. 2 | Light rain shower | 10° /5° | 9.8 mm | 3 | |
| Mar. 3 | Patchy rain possible | 11° /5° | 0.5 mm | 4 | |
| Mar. 4 | Sunny | 15° /5° | 0 mm | 5 | |
| Mar. 5 | Partly cloudy | 14° /5° | 29.7 mm | 4 | |
| Mar. 6 | Light rain | 11° /5° | 44.4 mm | 3 | |
| Mar. 7 | Patchy rain possible | 13° /4° | 2.3 mm | 3 | |
| Mar. 8 | Sunny | 19° /5° | 0 mm | 5 | |
| Mar. 9 | Overcast | 19° /8° | 0 mm | 5 | |
| Mar. 10 | Partly cloudy | 19° /7° | 0 mm | 6 | |
| Mar. 11 | Partly cloudy | 13° /5° | 13.9 mm | 4 | |
| Mar. 12 | Patchy rain possible | 14° /6° | 27 mm | 4 | |
| Mar. 13 | Sunny | 13° /6° | 52.2 mm | 4 | |
| Mar. 14 | Sunny | 10° /6° | 7.2 mm | 3 | |
| Mar. 15 | Patchy rain possible | 14° /5° | 0.1 mm | 4 | |
| Mar. 16 | Patchy rain possible | 17° /5° | 0.2 mm | 4 | |
| Mar. 17 | Patchy rain possible | 16° /7° | 0 mm | 4 | |
| Mar. 18 | Thundery outbreaks possible | 19° /6° | 0.2 mm | 5 | |
| Mar. 19 | Sunny | 21° /8° | 0 mm | 6 | |
| Mar. 20 | Sunny | 21° /9° | 0 mm | 6 | |
| Mar. 21 | Sunny | 22° /8° | 0 mm | 6 | |
| Mar. 22 | Sunny | 21° /9° | 0 mm | 6 | |
| Mar. 23 | Light rain shower | 19° /9° | 2.2 mm | 5 | |
| Mar. 24 | Patchy light rain with thunder | 21° /10° | 2.1 mm | 5 | |
| Mar. 25 | Sunny | 23° /11° | 0 mm | 6 | |
| Mar. 26 | Sunny | 17° /8° | 0 mm | 5 | |
| Mar. 27 | Overcast | 16° /7° | 0 mm | 4 | |
| Mar. 28 | Patchy rain possible | 16° /7° | 0 mm | 4 | |
| Mar. 29 | Sunny | 14° /7° | 0 mm | 4 | |
| Mar. 30 | Light rain shower | 9° /6° | 43.3 mm | 2 | |
| Mar. 31 | Moderate rain | 14° /11° | 9.3 mm | 0.7 | |
| Next | |||||
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?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ontario during March?
Significant rainfall exceeding 148.2 mm is expected in Ontario during March, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ontario during March?
The average wind speed in Ontario during March is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
March rainfall patterns in Ontario
Explore the daily rainfall trends and prepare for Ontarios March weather 💧
UV exposure in Ontario during March
Stay informed about UV levels for safe outdoor activities throughout the month of March ☀️
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