Thunder Bay 7-day weather forecast

Published 3:47 pm Monday, March 10, 2025

Thunder Bay 7-day weather forecast

Stacker created the forecast for Thunder Bay, Ontario using data from OpenWeather. This week’s high is 5 °C on Monday, while the low is -13 °C on Tuesday. There is expected to be 1 sunny day, snow on 1 day, and 3 days of rain this week.

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Monday, March 10

– High of 5 °C, low of -4 °C (89% humidity)
– Overcast with a 0% chance of snow
– Light breeze (24 km/h wind)
– Sunrise at 8:20 AM, sunset at 7:54 PM

Tuesday, March 11

– High of -4 °C, low of -13 °C (40% humidity)
– Sunny with a 0% chance of snow
– Moderate risk of harm from sun exposure (3 UV index)
– Light breeze (23 km/h wind)
– Sunrise at 8:17 AM, sunset at 7:56 PM

Wednesday, March 12

– High of 0 °C, low of -7 °C (79% humidity)
– Overcast with a 100% chance of snow (1 mm of snow)
– Moderate risk of harm from sun exposure (2 UV index)
– Light air (6 km/h wind)
– Sunrise at 8:15 AM, sunset at 7:57 PM

Thursday, March 13

– High of 1 °C, low of -6 °C (76% humidity)
– Overcast with a 0% chance of snow
– Moderate risk of harm from sun exposure (3 UV index)
– Light air (8 km/h wind)
– Sunrise at 8:13 AM, sunset at 7:59 PM

Friday, March 14

– High of 3 °C, low of -3 °C (90% humidity)
– Overcast with a 20% chance of rain (0 mm of rain)
– Moderate risk of harm from sun exposure (3 UV index)
– Light breeze (23 km/h wind)
– Sunrise at 8:11 AM, sunset at 8:00 PM
– Full moon

Saturday, March 15

– High of 3 °C, low of 2 °C (98% humidity)
– Overcast with a 100% chance of rain (9 mm of rain)
– Moderate risk of harm from sun exposure (3 UV index)
– Light breeze (23 km/h wind)
– Sunrise at 8:09 AM, sunset at 8:02 PM

Sunday, March 16

– High of 2 °C, low of -7 °C (66% humidity)
– Overcast with a 100% chance of rain (1 mm of rain)
– Moderate risk of harm from sun exposure (3 UV index)
– Gentle breeze (28 km/h wind)
– Sunrise at 8:07 AM, sunset at 8:03 PM