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City of Thunder Bay, OntarioThunder Bay, ON 7-Day Weather Forecast
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Thunder Bay, ON Weather Forecast
Thunder Bay, ON Weather Forecast Date: 559 PM Sat Mar 07 2026 (Thunder Bay Time)
Today Lo: -7°C20°F Hi: 1°C34°F |
Moderate or heavy snow showers Saturday, temperatures as high as 1°C34°F, low temperature around -7°C20°F, probability of precipitation 84%, wind out of the WNW 18 km/h11 mph. Barometric pressure 100.7 kPa29.74 in, visibility 6 km4 mi, humidity 82%. |
Sunday Lo: -7°C20°F Hi: 5°C41°F |
Chance of showers Sunday, temperatures as high as 5°C41°F, low temperature around -7°C20°F, probability of precipitation 70%, wind out of the WSW 27 km/h17 mph. Barometric pressure 99.6 kPa29.41 in, visibility 9 km6 mi, humidity 81%. |
Monday Lo: -1°C30°F Hi: 5°C42°F |
Rain showers Monday, temperatures as high as 5°C42°F, low temperature around -1°C30°F, chance of rain 81%, wind out of the W 26 km/h16 mph. Barometric pressure 100.1 kPa29.56 in, visibility 8 km5 mi, humidity 77%. |
Tuesday Lo: -6°C20°F Hi: -2°C28°F |
Overcast Tuesday, temperatures as high as -2°C28°F, low temperature around -6°C20°F, wind out of the ESE 15 km/h9 mph. Barometric pressure 102 kPa30.12 in, visibility 10 km6 mi, humidity 68%. |
Wednesday Lo: -8°C17°F Hi: -4°C25°F |
Patchy moderate snow Wednesday, temperatures as high as -4°C25°F, low temperature around -8°C17°F, probability of precipitation 65%, wind out of the ENE 18 km/h11 mph. Barometric pressure 102.1 kPa30.15 in, visibility 10 km6 mi, humidity 81%. |
Thursday Lo: -11°C12°F Hi: -4°C25°F |
Partly Cloudy Thursday, temperatures as high as -4°C25°F, low temperature around -11°C12°F, wind out of the WNW 18 km/h11 mph. Barometric pressure 101.7 kPa30.03 in, visibility 10 km6 mi, humidity 79%. |
| Friday Lo: -12°C11°F Hi: -7°C20°F |
Blizzard Friday, temperatures as high as -7°C20°F, low temperature around -12°C11°F, probability of precipitation 79%, wind out of the E 29 km/h18 mph. Barometric pressure 100.6 kPa29.71 in, visibility 5 km3 mi, humidity 86%. |
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