Thunder Bay
March
Weather in Thunder Bay for March 2026
Your guide to Thunder Bay weather in March - trends and predictions
Freezing Drizzle Warning - See hour by hour.
Expect heavy snowfall in Thunder Bay during March, with an average of 19 snowy days.
According to Thunder Bay snow forecast for March 2026, 8 snowy days are expected in the next 2 weeks. The closest date with snow is Tuesday, 10 March.The forecast for the next days in Thunder Bay predicts temperatures to be around -1 °C, close to the historical average.
In general, the average temperature in Thunder Bay at the beginning of March is 0.1 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 0 °C by the end of March.
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12
Dry days
0
Rainy days
19
Snow days
0°/-8°
Temperatures
18 km/h
Avg max wind
76 %
Avg humidity
Thunder Bay Weather March
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Temperatures trend during March in Thunder Bay
See the weather trend as well as the moving average line
March weather in Thunder Bay day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Mar. |  Sunny | -5° /-16° | 0 mm | 0 cm | |
| 2 Mar. |  Freezing fog | -3° /-14° | 0.2 mm | 0 cm | |
| 3 Mar. |  Light snow showers | 3° /-9° | 0.6 mm | 0 cm | |
| 4 Mar. |  Moderate or heavy snow showers | 2° /-4° | 1.4 mm | 0.6 cm | |
| 5 Mar. |  Overcast | -1° /-9° | 0.4 mm | 0.3 cm | |
| 6 Mar. | Moderate or heavy snow showers | 0° /-10° | 6 mm | 0 cm | |
| 7 Mar. |  Light freezing rain | 5° /-7° | 0.3 mm | 0 cm | |
| 8 Mar. |  Moderate rain | 6° /-2° | 5.1 mm | 0 cm | |
| 9 Mar. | Moderate rain | 4° /-6° | 7.1 mm | 0 cm | |
| 10 Mar. | Patchy moderate snow | -7° /-11° | 0.5 mm | 0.3 cm | |
| 11 Mar. |  Heavy snow | -4° /-9° | 4.2 mm | 3 cm | |
| 12 Mar. |  Light snow | -1° /-11° | 0.2 mm | 0.1 cm | |
| 13 Mar. |  Blizzard | 2° /-3° | 3.9 mm | 1.9 cm | |
| 14 Mar. | Light freezing rain | -5° /-11° | 0 mm | 0 cm | |
| 15 Mar. | Light snow | -5° /-15° | 1.9 mm | 1.3 cm | |
| 16 Mar. |  Blowing snow | -5° /-14° | 2.5 mm | 1.8 cm | |
| 17 Mar. |  Mist | -6° /-20° | 0 mm | 0 cm | |
| 18 Mar. | Heavy snow | -2° /-16° | 3.3 mm | 2.4 cm | |
| 19 Mar. | Fog | 3° /0° | 0.2 mm | 0 cm | |
| 20 Mar. | Moderate or heavy snow showers | -2° /-11° | 0.2 mm | 0.2 cm | |
| 21 Mar. | Overcast | -2° /-14° | 0.2 mm | 0.2 cm | |
| 22 Mar. | Heavy snow | -2° /-10° | 6.7 mm | 5.7 cm | |
| 23 Mar. | Overcast | -2° /-12° | 22.1 mm | 5.4 cm | |
| 24 Mar. | Light snow | 0° /-10° | 3.9 mm | 2.2 cm | |
| 25 Mar. | Light snow showers | 0° /-7° | 7 mm | 3.6 cm | |
| 26 Mar. | Light snow showers | 1° /-5° | 5.3 mm | 3.9 cm | |
| 27 Mar. | Moderate or heavy snow showers | 0° /-6° | 2.1 mm | 1.8 cm | |
| 28 Mar. | Moderate or heavy snow showers | -1° /-7° | 23 mm | 14.9 cm | |
| 29 Mar. | Light snow | 0° /-9° | 8.9 mm | 1.4 cm | |
| 30 Mar. | Overcast | 0° /-6° | 1.9 mm | 1.6 cm | |
| 31 Mar. | Light snow showers | 0° /-4° | 3.8 mm | 3.2 cm | |
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Important Notice
Our weather forecast for Thunder Bay 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 Thunder Bay forecast closer to your planned date for the most up-to-date weather information.
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Thunder Bay in March - FAQ
What are the expected maximum and minimum temperatures in Thunder Bay during March?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Thunder Bay during March?
Significant rainfall exceeding 124.7 mm is expected in Thunder Bay during March, occurring over more than 0 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Thunder Bay in March 2026?
Thunder Bay experiences an average snowfall of 56.5 cm during March, occurring over 19 days.
What are the typical wind conditions in Thunder Bay during March?
The average wind speed in Thunder Bay during March is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Thunder Bay snow forecast March 2026
Track daily snowfall levels and discover Thunder Bay’s snowy potential this March ❄️
On average, Thunder Bay sees 19 snowy days during March, with approximately 56.5 cm of total snowfall.
March rainfall patterns in Thunder Bay
Explore the daily rainfall trends and prepare for Thunder Bays March weather 💧
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