• Early AM

    Sep 3

    Lo 11°

    Partly to mostly cloudy

    Common Cold Weather
    • Avg
      Temp
      18°
    • Avg
      RealFeel
      18°
    • Hi
      RealFeel
      25°
    more
  • Today

    Sep 3

    22°Lo 12°

    Mostly sunny and delightful

    Beneficial weather for colds
    • Avg
      Temp
      17°
    • Avg
      RealFeel
      18°
    • Hi
      RealFeel
      23°
  • Fri

    Sep 4

    23°Lo 13°

    Delightful with some sun

    Beneficial weather for colds
    • Avg
      Temp
      18°
    • Avg
      RealFeel
      19°
    • Hi
      RealFeel
      25°
    more
  • Sat

    Sep 5

    26°Lo 15°

    Partly sunny, warm and humid

    Neutral weather for colds
    • Avg
      Temp
      20°
    • Avg
      RealFeel
      22°
    • Hi
      RealFeel
      28°
    more
  • Sun

    Sep 6

    25°Lo 15°

    An afternoon thunderstorm

    At Risk weather for colds
    • Avg
      Temp
      20°
    • Avg
      RealFeel
      20°
    • Hi
      RealFeel
      26°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Clear
Cloudy
Cloudy
Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Temp (°C) 12° 12° 12° 11° 11° 12° 14° 15°
RealFeel® 12° 12° 12° 12° 12° 13° 16° 18°
Humidity 96% 96% 97% 97% 99% 97% 97% 90%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (km/h) 6 W 7 W 6 WNW 6 WNW 4 N 4 NE 4 ENE 6 ENE
UV Index 0 0 0 0 0 0 1 3
Cloud Cover 27% 51% 73% 74% 70% 65% 52% 39%
Dew Point 11° 11° 11° 11° 11° 12° 13° 13°
Middle Grid line 20 C Middle Grid line 15 C Middle Grid line 10 C

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 22° 19° 30° (2012) 22°
Low 12° -1° (1997)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 13:18 of sunlight, then sets at 8:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:32 PM with 14:58 of moolight, then sets at 2:30 PM

Thunder Bay Weather Report

Potential for Significant Rainfall in the Prairies and Summer Stats

September 2, 2015; 2:56 PM ET

Heavy rainfall possible for the southern Prairies this weekend. more >