Thunder Bay weather — 10-day forecast
Temperature, rain, wind and feels-like in Thunder Bay, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 12:00 · NOAA HRRR model
23 °C
Light showers
Next 12 h
- 1223°95 %
- 1325°
- 1427°
- 1527°
- 1626°
- 1726°
- 1821°94 %
- 1922°
- 2023°
- 2120°
- 21:25Sunset
- 2218°
- 2317°
- 0017°
↑ 27°15:00↓ 17°00:00
- Humidity
- 73 %
- Dew point
- 18 °C
- Gusts
- 21.0 km/h
- Clouds
- 100 %
- Pressure
- 1,010 hPa ↓
- UV
- 5 · moderate
- Storm
- possible
Grid point 1.0 km away · 3.0 km grid · elevation 185 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 74.6µg/m³
- PM2.5
- 7.7µg/m³
- PM10
- 8.0µg/m³
- Nitrogen dioxide
- 0.7µg/m³
- Sulphur dioxide
- 0.7µg/m³
- Carbon monoxide
- 142.0µg/m³
- Dust (AOD)
- 0.00
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Light showers48 %
27°
16°
Sat
Partly cloudy6 %
26°
13°
Sun
Light drizzle12 %
24°
15°
Mon
Partly cloudy8 %
26°
19°
Tue
Mainly clear24 %
25°
18°
Wed
Light drizzle2 mm
22°
19°
Thu
Partly cloudy
18°
13°
Fri
Showers38 mm
17°
14°
Sat
Light drizzle5 mm
17°
15°
Sun
Mainly clear
21°
12°
Gusts · Fri 55.6 km/h · Sat 52.8 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:41
- Daylight
- 14 h 44
- Sunset
- 21:25
Radiation · 16.9 MJ/m²
Sea state
Sea state at the marine grid point closest to the city.
Significant height: the mean of the highest third of waves. Individual waves reach about twice it.
Data: ECMWF
Today in Thunder Bay the mean temperature will be 22.1 °C — +4.1 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)