By knowing how cold, mild, warm, or hot the weather in Thunder Bay, you will find it easier to plan your days.
Our 14 day weather forecast for Thunder Bay becomes more accurate the closer to the date of your visit, so always be sure to check in frequently for any weather updates.
| Date | Temperatures | Wind | |||
|---|---|---|---|---|---|
| Sunday, December 14 | -14 ° / -23 ° |  | Overcast | 10 Km/h | |
| Monday, December 15 | -4 ° / -10 ° | | Overcast | 7 Km/h | |
| Tuesday, December 16 | -1 ° / -11 ° |  | Patchy moderate snow | 13 Km/h | |
| Wednesday, December 17 | -6 ° / -11 ° |  | Partly cloudy | 11 Km/h | |
| Thursday, December 18 | 1 ° / -9 ° |  | Heavy snow | 27 Km/h | |
| Friday, December 19 | -13 ° / -17 ° |  | Light snow | 12 Km/h | |
| Saturday, December 20 | -8 ° / -12 ° | | Overcast | 22 Km/h | |
| Sunday, December 21 | -14 ° / -21 ° |  | Mist | 9 Km/h | |
| Monday, December 22 | -1 ° / -9 ° | | Heavy snow | 22 Km/h | |
| Tuesday, December 23 | -20 ° / -24 ° | | Partly cloudy | 24 Km/h | |
| Wednesday, December 24 | -19 ° / -27 ° | | Overcast | 6 Km/h | |
| Thursday, December 25 | -14 ° / -20 ° | | Light snow | 13 Km/h | |
| Friday, December 26 | -20 ° / -24 ° | | Overcast | 14 Km/h | |
| Saturday, December 27 | -16 ° / -25 ° | | Partly cloudy | 10 Km/h | |
| Further Ahead | |||||
