10-Day Weather Forecast for Thunder Bay (ON)
Six-hourly outlook through Sunday 19 July. Updated every three hours via MET Norway.
What's the weather in Thunder Bay this week?
Today's weather - Thursday 9 Jul
This evening, the weather in Thunder Bay will be clear skies, with temperatures around 21°C (70°F), dropping to 17°C (63°F) overnight.
Tomorrow's weather - Friday 10 Jul
The forecast for Thunder Bay on Friday is partly cloudy. High temperatures will reach a pleasant 21°C (70°F), with lows dropping to around 15°C (59°F).
10-Day Weather Forecast
Over the next 10 days, temperatures in Thunder Bay will be will reach 32°C (90°F) on Monday before declining again, with average daytime highs of 25°C (77°F) and nighttime lows of 19°C (66°F) over this period. Compared to July norms, this represents a bit warmer than usual weather. There will be plenty of sunshine during this period. Rainfall is expected to be less than usual (compared to typical July conditions). The forecast shows mostly dry conditions. There will be rain on around 2 days (Sat, Sun). Wind patterns will be generally calm.
Weather Forecast FAQ for Thunder Bay
When will be the warmest day next week?
The warmest day is expected to be Monday with a high of 32°C (90°F).
When will be the coldest day?
The coldest day is forecasted for Saturday with a low of 14°C (57°F).
Will it rain next week in Thunder Bay?
Yes, rain is expected on 2 days , specifically on Sat, Sun.
How much rainfall is expected next week?
A total of 12 mm (0.5 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 14°C (57°F) to 32°C (90°F).
More about Thunder Bay
Explore the full Thunder Bay climate overview with monthly averages, or check rainfall data and temperature by month.
Thunder Bay weather by month
Browse monthly averages for Thunder Bay: climate by month with temperature, rainfall and sunshine.
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