Thunder Bay Weather Forecast
14 Day API Weather Forecast. Note: Our 7 day
Thunder Bay weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Thunder Bay, ON Weather Forecast Dated: 546 PM Sun May 28 2023 (Thunder Bay Time)
Sun, 28th

Lo: 8°C46°F Hi: 14°C57°F |
Sunny Sunday, temperatures as high as 14°C57°F, low temperature around 8°C46°F, wind out of the SSW 11 km/h7 mph. Barometric pressure 1021 mb30.15 in, visibility 10 km6 mi, humidity 70%, uv index 4. |
Mon, 29th

Lo: 7°C44°F Hi: 13°C55°F |
Sunny Monday, temperatures as high as 13°C55°F, low temperature around 7°C44°F, wind out of the SE 9 km/h6 mph. Barometric pressure 1017 mb30.03 in, visibility 10 km6 mi, humidity 76%, uv index 3. |
Tue, 30th

Lo: 8°C46°F Hi: 15°C59°F |
Sunny Tuesday, temperatures as high as 15°C59°F, low temperature around 8°C46°F, wind out of the SSW 15 km/h9 mph. Barometric pressure 1014 mb29.94 in, visibility 10 km6 mi, humidity 79%, uv index 4. |
Wed, 31st

Lo: 8°C46°F Hi: 12°C54°F |
Moderate rain Wednesday, temperatures as high as 12°C54°F, low temperature around 8°C46°F, chance of rain 89%, wind out of the SSW 29 km/h18 mph. Barometric pressure 1013 mb29.91 in, visibility 9 km6 mi, humidity 96%. |
Thu, 1st

Lo: 8°C47°F Hi: 12°C53°F |
Patchy rain possible Thursday, temperatures as high as 12°C53°F, low temperature around 8°C47°F, chance of rain 89%, wind out of the SE 15 km/h10 mph. Barometric pressure 1016 mb30 in, visibility 4 km2 mi, humidity 97%. |
Fri, 2nd

Lo: 8°C46°F Hi: 13°C55°F |
Patchy rain possible Friday, temperatures as high as 13°C55°F, low temperature around 8°C46°F, chance of rain 73%, wind out of the NE 37 km/h23 mph. Barometric pressure 1021 mb30.15 in, visibility 8 km5 mi, humidity 83%. |
Sat, 3rd

Lo: 6°C43°F Hi: 12°C53°F |
Sunny Saturday, temperatures as high as 12°C53°F, low temperature around 6°C43°F, wind out of the E 28 km/h17 mph. Barometric pressure 1023 mb30.21 in, visibility 10 km6 mi, humidity 65%, uv index 3. |
Sun, 4th

Lo: 8°C46°F Hi: 12°C53°F |
Sunny Sunday, temperatures as high as 12°C53°F, low temperature around 8°C46°F, wind out of the SSW 27 km/h17 mph. Barometric pressure 1013 mb29.91 in, visibility 10 km6 mi, humidity 58%, uv index 3. |
Mon, 5th

Lo: 5°C42°F Hi: 8°C46°F |
Moderate rain Monday, temperatures as high as 8°C46°F, low temperature around 5°C42°F, chance of rain 80%, wind out of the ESE 42 km/h26 mph. Barometric pressure 1010 mb29.83 in, visibility 8 km5 mi, humidity 89%. |
Tue, 6th

Lo: 4°C38°F Hi: 9°C47°F |
Sunny Tuesday, temperatures as high as 9°C47°F, low temperature around 4°C38°F, wind out of the SW 26 km/h16 mph. Barometric pressure 1015 mb29.97 in, visibility 10 km6 mi, humidity 76%, uv index 3. |
Wed, 7th

Lo: 5°C41°F Hi: 9°C48°F |
Patchy rain possible Wednesday, temperatures as high as 9°C48°F, low temperature around 5°C41°F, chance of rain 87%, wind out of the SW 41 km/h25 mph. Barometric pressure 1009 mb29.8 in, visibility 9 km6 mi, humidity 79%. |
Thu, 8th

Lo: 7°C44°F Hi: 10°C50°F |
Patchy rain possible Thursday, temperatures as high as 10°C50°F, low temperature around 7°C44°F, chance of rain 77%, wind out of the SSW 28 km/h17 mph. Barometric pressure 1007 mb29.74 in, visibility 9 km6 mi, humidity 82%. |
Fri, 9th

Lo: 5°C40°F Hi: 8°C46°F |
Moderate rain Friday, temperatures as high as 8°C46°F, low temperature around 5°C40°F, chance of rain 84%, wind out of the W 32 km/h20 mph. Barometric pressure 1009 mb29.8 in, visibility 9 km6 mi, humidity 83%. |
Sat, 10th

Lo: 5°C40°F Hi: 8°C46°F |
Patchy rain possible Saturday, temperatures as high as 8°C46°F, low temperature around 5°C40°F, chance of rain 89%, wind out of the WSW 30 km/h19 mph. Barometric pressure 1010 mb29.83 in, visibility 8 km5 mi, humidity 89%. |