Current Conditions
Thunder Bay, Ontario
Wind
S 12 mph19 km/h
Humidity
92%
Cloud Cover
99%
As of Tuesday, September 8, 2026 at 4:33 PM EDT
Today's Outlook
Day
Overcast and mild, with a high of 64°F18°C. Breezy from the S at 12 to 13 mph20 to 22 km/h. 88% chance of light rain throughout the day.
Night
Mostly cloudy, with a low around 66°F19°C. Breezy from the SSW at 12 to 13 mph20 to 21 km/h. 48% chance of drizzle throughout the night.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Light Rain | High 67°F19°C | Low 63°F17°C | Precip 0.11 in2.8 mm88% | Cloud 80% | Wind SSW 12 mph20 km/h | Tuesday: Overcast and mild, with a high of 64°F18°C. Breezy from the S at 12 to 13 mph20 to 22 km/h. 88% chance of light rain throughout the day. Tuesday Night: Mostly cloudy, with a low around 66°F19°C. Breezy from the SSW at 12 to 13 mph20 to 21 km/h. 48% chance of drizzle throughout the night. | |
| Clear | High 66°F19°C | Low 59°F15°C | Precip 0 in0.1 mm2% | Cloud 39% | Wind W 14 mph23 km/h | Wednesday: Mostly cloudy and mild, with a high of 66°F19°C. Windy from the W at 17 to 19 mph27 to 30 km/h. Wednesday Night: Mostly clear, with a low around 59°F15°C. Breezy from the W at 12 to 13 mph19 to 21 km/h. | |
| Clear | High 67°F20°C | Low 51°F11°C | Precip 0 in0.1 mm2% | Cloud 37% | Wind WSW 7 mph12 km/h | Thursday: Partly cloudy and mild, with a high of 67°F20°C and morning low of 51°F11°C. Breezy from the WSW at 7 to 10 mph11 to 16 km/h. Dry air. Thursday Night: Partly cloudy, with a low around 53°F12°C. Breezy from the WSW at 8 to 9 mph13 to 15 km/h. | |
| Showers | High 74°F23°C | Low 61°F16°C | Precip 0.12 in3.1 mm55% | Cloud 63% | Wind SSW 13 mph20 km/h | Friday: Mostly cloudy and warm, with a high of 74°F23°C and morning low of 62°F17°C. Breezy from the SSW at 14 to 15 mph23 to 24 km/h. Friday Night: Mostly cloudy, with a low around 61°F16°C. Breezy from the SSW at 11 to 12 mph18 to 20 km/h. 55% chance of light rain in the evening. | |
| Rain | High 67°F19°C | Low 58°F14°C | Precip 0.27 in6.9 mm79% | Cloud 58% | Wind W 12 mph19 km/h | Saturday: Partly cloudy and mild, with a high of 67°F19°C and morning low of 60°F16°C. Breezy from the WNW at 12 to 14 mph20 to 23 km/h. 46% chance of showers in the morning. Saturday Night: Mostly cloudy, with a low around 58°F14°C. Breezy from the W at 12 to 13 mph19 to 20 km/h. 79% chance of rain overnight. | |
| Partly Cloudy | High 62°F16°C | Low 51°F11°C | Precip 0.01 in0.2 mm4% | Cloud 47% | Wind WNW 10 mph17 km/h | Sunday: Mostly cloudy and mild, with a high of 62°F16°C and morning low of 51°F11°C. Breezy from the WNW at 12 mph19 km/h. Dry air. Sunday Night: Partly cloudy, with a low around 52°F11°C. Breezy from the WNW at 9 to 11 mph15 to 18 km/h. | |
| Showers | High 60°F16°C | Low 49°F9°CFeels 46°F8°C | Precip 0.25 in6.3 mm64% | Cloud 64% | Wind SSE 10 mph16 km/h | Monday: Mostly cloudy and mild, with a high of 60°F16°C and morning low of 49°F9°C. Breezy from the SSE at 10 to 13 mph16 to 21 km/h. 37% chance of light rain throughout the day. Dry air. Monday Night: Mostly cloudy, with a low around 49°F9°C. Breezy from the S at 9 to 13 mph15 to 20 km/h. 64% chance of showers in the evening. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| TuesdaySep 8 | 67°F19°C | 63°F17°C | 0.11 in2.8 mm· 88% | 80% | Light Rain | SSW 12 mph20 km/h | |
DayOvercast and mild, with a high of 64°F18°C. Breezy from the S at 12 to 13 mph20 to 22 km/h. 88% chance of light rain throughout the day. NightMostly cloudy, with a low around 66°F19°C. Breezy from the SSW at 12 to 13 mph20 to 21 km/h. 48% chance of drizzle throughout the night. | |||||||
| WednesdaySep 9 | 66°F19°C | 59°F15°C | 0 in0.1 mm· 2% | 39% | Clear | W 14 mph23 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C. Windy from the W at 17 to 19 mph27 to 30 km/h. NightMostly clear, with a low around 59°F15°C. Breezy from the W at 12 to 13 mph19 to 21 km/h. | |||||||
| ThursdaySep 10 | 67°F20°C | 51°F11°C | 0 in0.1 mm· 2% | 37% | Clear | WSW 7 mph12 km/h | |
DayPartly cloudy and mild, with a high of 67°F20°C and morning low of 51°F11°C. Breezy from the WSW at 7 to 10 mph11 to 16 km/h. Dry air. NightPartly cloudy, with a low around 53°F12°C. Breezy from the WSW at 8 to 9 mph13 to 15 km/h. | |||||||
| FridaySep 11 | 74°F23°C | 61°F16°C | 0.12 in3.1 mm· 55% | 63% | Showers | SSW 13 mph20 km/h | |
DayMostly cloudy and warm, with a high of 74°F23°C and morning low of 62°F17°C. Breezy from the SSW at 14 to 15 mph23 to 24 km/h. NightMostly cloudy, with a low around 61°F16°C. Breezy from the SSW at 11 to 12 mph18 to 20 km/h. 55% chance of light rain in the evening. | |||||||
| SaturdaySep 12 | 67°F19°C | 58°F14°C | 0.27 in6.9 mm· 79% | 58% | Rain | W 12 mph19 km/h | |
DayPartly cloudy and mild, with a high of 67°F19°C and morning low of 60°F16°C. Breezy from the WNW at 12 to 14 mph20 to 23 km/h. 46% chance of showers in the morning. NightMostly cloudy, with a low around 58°F14°C. Breezy from the W at 12 to 13 mph19 to 20 km/h. 79% chance of rain overnight. | |||||||
| SundaySep 13 | 62°F16°C | 51°F11°C | 0.01 in0.2 mm· 4% | 47% | Partly Cloudy | WNW 10 mph17 km/h | |
DayMostly cloudy and mild, with a high of 62°F16°C and morning low of 51°F11°C. Breezy from the WNW at 12 mph19 km/h. Dry air. NightPartly cloudy, with a low around 52°F11°C. Breezy from the WNW at 9 to 11 mph15 to 18 km/h. | |||||||
| MondaySep 14 | 60°F16°C | 49°F9°C Feels 46°F8°C | 0.25 in6.3 mm· 64% | 64% | Showers | SSE 10 mph16 km/h | |
DayMostly cloudy and mild, with a high of 60°F16°C and morning low of 49°F9°C. Breezy from the SSE at 10 to 13 mph16 to 21 km/h. 37% chance of light rain throughout the day. Dry air. NightMostly cloudy, with a low around 49°F9°C. Breezy from the S at 9 to 13 mph15 to 20 km/h. 64% chance of showers in the evening. | |||||||
| TuesdaySep 15 | 64°F18°C | 57°F14°C | 0.28 in7.1 mm· 63% | 65% | Showers | WSW 13 mph20 km/h | |
DayMostly cloudy and mild, with a high of 64°F18°C and morning low of 57°F14°C. Breezy from the W at 14 to 15 mph22 to 24 km/h. 41% chance of light rain throughout the day. NightMostly cloudy, with a low around 57°F14°C. Breezy from the WSW at 12 to 13 mph19 to 21 km/h. 63% chance of showers throughout the night. | |||||||
| WednesdaySep 16 | 61°F16°C | 52°F11°C | 0.05 in1.3 mm· 19% | 58% | Drizzle | WSW 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 61°F16°C and morning low of 52°F11°C. Breezy from the WSW at 9 mph14 km/h. Dry air. NightMostly cloudy, with a low around 53°F12°C. Breezy from the WSW at 9 mph14 km/h. 19% chance of drizzle throughout the night. | |||||||
| ThursdaySep 17 | 60°F16°C | 55°F13°C | 0.3 in7.6 mm· 37% | 77% | Light Rain | WSW 10 mph16 km/h | |
DayOvercast and mild, with a high of 60°F16°C and morning low of 55°F13°C. Breezy from the SW at 11 mph17 km/h. 37% chance of light rain throughout the day. NightMostly cloudy, with a low around 55°F13°C. Breezy from the W at 9 to 10 mph15 to 16 km/h. 34% chance of light rain throughout the night. | |||||||
| FridaySep 18 | 58°F15°C | 51°F10°C | 0.2 in5.1 mm· 27% | 65% | Showers | NW 11 mph17 km/h | |
DayMostly cloudy and mild, with a high of 58°F15°C and morning low of 51°F10°C. Breezy from the NW at 11 mph18 km/h. 27% chance of showers throughout the day. Dry air. NightMostly cloudy, with a low around 52°F11°C. Breezy from the NW at 10 mph17 km/h. 25% chance of showers throughout the night. | |||||||
| SaturdaySep 19 | 58°F15°C | 50°F10°C Feels 46°F8°C | 0.09 in2.4 mm· 17% | 59% | Drizzle | NW 10 mph16 km/h | |
DayMostly cloudy and mild, with a high of 58°F15°C and morning low of 50°F10°C. Breezy from the NW at 11 mph17 km/h. 17% chance of drizzle throughout the day. Dry air. NightMostly cloudy, with a low around 50°F10°C. Breezy from the NW at 10 mph15 km/h. 16% chance of drizzle throughout the night. | |||||||
| SundaySep 20 | 58°F14°C | 47°F9°C Feels 43°F6°C | 0.06 in1.5 mm· 20% | 55% | Drizzle | NW 9 mph15 km/h | |
DayMostly cloudy and mild, with a high of 58°F14°C and morning low of 47°F9°C. Breezy from the NW at 10 mph16 km/h. 20% chance of drizzle throughout the day. Dry air. NightPartly cloudy, with a low around 48°F9°C. Breezy from the NW at 9 mph14 km/h. 14% chance of drizzle throughout the night. | |||||||
| MondaySep 21 | 58°F14°C | 46°F8°C Feels 42°F6°C | 0.06 in1.5 mm· 19% | 49% | Drizzle | WNW 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 58°F14°C and morning low of 46°F8°C. Breezy from the WNW at 9 to 10 mph15 to 16 km/h. 19% chance of drizzle throughout the day. Dry air. NightPartly cloudy, with a low around 47°F9°C. Breezy from the WNW at 8 to 9 mph13 to 14 km/h. 14% chance of drizzle throughout the night. | |||||||
| TuesdaySep 22 | 59°F15°C | 47°F9°C Feels 43°F6°C | 0.04 in1.1 mm· 10% | 50% | Drizzle | WSW 9 mph15 km/h | |
DayMostly cloudy and mild, with a high of 59°F15°C and morning low of 47°F9°C. Breezy from the WSW at 10 mph16 km/h. 10% chance of drizzle throughout the day. Dry air. NightPartly cloudy, with a low around 48°F9°C. Breezy from the WSW at 9 mph14 km/h. | |||||||
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Coordinates: 48.3820°N, 89.2502°W·Elevation: 188m·Timezone: America/Toronto·Population: 108,843