Thunder Bay, Ontario Weather - Extended Forecast

Monday

Chance of flurries

High:
-4°C

A mix of sun and cloud with 40 percent chance of flurries. High minus 4.

Monday Night

Cloudy periods

Overnight low:
-16°C

Cloudy periods. Low minus 16.

Tuesday

A mix of sun and cloud

High:
-5°C

Tuesday Night

Cloudy periods

Overnight low:
-9°C

Wednesday

A mix of sun and cloud

High:
-1°C

Wednesday Night

Cloudy

Overnight low:
-4°C

Thursday

Cloudy

High:
1°C

Thursday Night

Cloudy

Overnight low:
-3°C