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Weather in Thunder Bay, Ontario, Canada
Current Conditions (Tuesday, March 11, 2025 at 18:00 America/Thunder_Bay time)
 | Temperature: -5°C |
Forecast Overview
| Tuesday, March 11 | sunrise: 08:21 sunset: 19:54 |
 | Overcast skies. Wind: 12 km/h. |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 17:00 20:00 |  | Overcast. | -6°C | 12 km/h | 72% | 0.402% |
| 20:00 23:00 | | Overcast. | -6°C | 8 km/h | 79% | 0.402% |
| Wednesday, March 12 | sunrise: 08:19 sunset: 19:56 |
 | Low around -6°C, high around -1°C. Chance of light snow early in the morning (between 5 am and 8 am). Estimated precipitation: 0.0625 mm. Mostly cloudy skies. Wind: 8 km/h. |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 23:00 02:00 | | Overcast. | -5°C | 8 km/h | 77% | 0.402% |
| 02:00 05:00 | | Overcast. | -5°C | 4 km/h | 80% | 0.402% |
| 05:00 08:00 | | Chance of light snow. Precipitation: 0.0625 mm. | -5°C | 6 km/h | 90% | 0.402% |
| 08:00 11:00 | | Mostly cloudy. | -3°C | 6 km/h | 85% | 0.402% |
| 11:00 14:00 | | Overcast. | -1°C | 7 km/h | 79% | 0.402% |
| 14:00 17:00 | | Mostly cloudy. | -1°C | 5 km/h | 81% | 0.402% |
| 17:00 20:00 | | Overcast. | -3°C | 5 km/h | 88% | 0.402% |
| 20:00 23:00 | | Partly cloudy. | -4°C | 4 km/h | 91% | 0.402% |
| Thursday, March 13 | sunrise: 08:17 sunset: 19:57 |
| Low around -6°C, high around 3°C. Mostly cloudy skies. Wind: 11 km/h. |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 23:00 02:00 | | Overcast. | -4°C | 6 km/h | 95% | 0.402% |
| 02:00 05:00 | | Considerable cloudiness. | -5°C | 7 km/h | 96% | 0.402% |
| 05:00 08:00 | | Overcast. | -5°C | 5 km/h | 97% | 0.402% |
| 08:00 11:00 | | Overcast. | -2°C | 4 km/h | 87% | 0.402% |
| 11:00 14:00 | | A few passing clouds. | 2°C | 6 km/h | 77% | 0.402% |
| 14:00 17:00 | | Overcast. | 2°C | 8 km/h | 80% | 0.403% |
| 17:00 20:00 | | Times of clear skies and clouds. | -0°C | 8 km/h | 88% | 0.402% |
| 20:00 23:00 | | Overcast. | -1°C | 11 km/h | 94% | 0.401% |
| Friday, March 14 | sunrise: 08:15 sunset: 19:59 |
 | Low around -1°C, high around 3°C. Chance of light rain late at night (after 8 pm). Estimated precipitation: 0.9375 mm. Overcast skies. Wind: 17 km/h. |
| Saturday, March 15 | sunrise: 08:13 sunset: 20:00 |
 | Low around 1°C, high around 3°C. Chance of rain most of the day and night except from 8 am to 11 am. Estimated precipitation: 15.0625 mm. Overcast skies. Wind: 24 km/h. |
| Sunday, March 16 | sunrise: 08:11 sunset: 20:02 |
 | Low around -8°C, high around 2°C. Chance of snow between 11 pm and 2 am, late in the afternoon (between 2 pm and 5 pm) and during the night (after 8 pm). Estimated precipitation: 4.0625 mm. Overcast skies. Wind: 31 km/h. |
| Monday, March 17 | sunrise: 08:08 sunset: 20:03 |
| Low around -9°C, high around -1°C. Chance of light snow early in the morning (until 8 am). Estimated precipitation: 0.25 mm. Mostly cloudy skies. Wind: 25 km/h. |
| Tuesday, March 18 | sunrise: 08:06 sunset: 20:05 |
| Low around -7°C, high around 1°C. Overcast skies. Wind: 13 km/h. |
Weather Station: Thunder Bay Airport (latitude 48-22N, longitude 089-19W)
Local Time:
Thunder Bay, Ontario is in the "America/Thunder_Bay" timezone.
The "America/Thunder_Bay" timezone uses a Standard Time (ST) / Daylight Saving Time (DST) alternation scheme, and it currently is in DST (since Sunday, 9 March 2025, 03:00 AM local time). During DST, the timezone abbreviation is EDT and the offset to Universal Time (UTC, GMT or Zulu) is -4:00 hours.
Thunder Bay, Ontario will exit DST (returning to standard time) on Sunday, 2 November 2025, at 02:00 AM local time, when clocks will be turned backward 1 hour to Sunday, 2 November 2025, 01:00 AM local standard time. During ST, the timezone abbreviation is EST and the offset to UTC will be -5:00 hours.
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