Forecast - Environment Canada
Observed at: Thunder Bay Airport
Date: Sunday June 24, 2018 at 08:00 EDT
Mostly Cloudy
Mostly Cloudy
Temp.: 10.9 °C
Wind: ENE 18 km/h
Humidity: 76 %
Dew point: 6.8 °C
Pressure: 101.9 kPa
Tendency: rising
Visibility: 32.2 km
Sunrise: 05:57
Sunset: 22:03
Normals:
Max 22°C Min 9°C
Yesterday
  Max: 16.9 °C
  Min: 8.9 °C
  Rainfall: 3.1 mm

 Extended Forecast - Environment Canada
Sunday
Chance of showers (40%)
Chance of showers
Max: 19°C
Monday
Mainly sunny
Mainly sunny
Max: 19°C
Tuesday
Chance of showers (40%)
Chance of showers
Max: 18°C
Wednesday
Chance of showers (30%)
Chance of showers
Max: 24°C
Thursday
Sunny
Sunny
Max: 28°C
Friday
Cloudy
Cloudy
Max: 26°C
Saturday
Chance of showers (40%)
Chance of showers
Max: 26°C
Sunday night
A few clouds
A few clouds
Min: 4°C
Monday night
Cloudy periods
Cloudy periods
Min: 9°C
Tuesday night
Chance of showers (60%)
Chance of showers
Min: 11°C
Wednesday night
Cloudy periods
Cloudy periods
Min: 14°C
Thursday night
Cloudy periods
Cloudy periods
Min: 14°C
Friday night
Chance of showers (40%)
Chance of showers
Min: 15°C
 

Forecast

Thunder Bay, ON (Issued: Sunday June 24, 2018 at 05:30 EDT)

Today
Mainly cloudy. 40 percent chance of showers early this morning. Clearing this afternoon. Wind northeast 20 km/h becoming light near noon. High 19. UV index 8 or very high.
Tonight
A few clouds. Low plus 4.
Monday
Mainly sunny. High 19.
Monday night
Cloudy periods. Low 9.
Tuesday
Cloudy with 40 percent chance of showers. High 18.
Tuesday night
Cloudy with 60 percent chance of showers. Low 11.
Wednesday
A mix of sun and cloud with 30 percent chance of showers. High 24.
Wednesday night
Cloudy periods. Low 14.
Thursday
Sunny. High 28.
Thursday night
Cloudy periods. Low 14.
Friday
Cloudy. High 26.
Friday night
Cloudy with 40 percent chance of showers. Low 15.
Saturday
A mix of sun and cloud with 40 percent chance of showers. High 26.
Averages and extremes
Highest temperature(1942-2004)32.2 °C1954
Lowest temperature(1942-2004)0.9 °C1979
Average high21.7 °C 
Average low8.6 °C 
Average15.2 °C 
Greatest rainfall(1942-2003)23.6 mm1953
Greatest snowfall(1942-2003)0.0 cm1942
Greatest precipitation(1942-2004)41.0 mm1997
Most snow on the ground(1955-2004)0.0 cm1955
Monthly frequency of precipitationn/a 

24 Hour Forecast - Thunder Bay, ON

Date/Time
(EDT)
Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
24 June 2018
10:00 14 Mainly cloudy (0%)  Mainly cloudy Nil NE 20
11:00 15 Mainly cloudy (0%)  Mainly cloudy Nil NE 20
12:00 16 Mainly cloudy (0%)  Mainly cloudy Nil E 10
13:00 16 A mix of sun and cloud (0%)  A mix of sun and cloud Nil E 10
14:00 17 Mainly sunny (0%)  Mainly sunny Nil E 10
15:00 18 Mainly sunny (0%)  Mainly sunny Nil E 10
16:00 18 Mainly sunny (0%)  Mainly sunny Nil E 10
17:00 19 Mainly sunny (0%)  Mainly sunny Nil E 10
18:00 18 Mainly sunny (0%)  Mainly sunny Nil E 10
19:00 18 Mainly sunny (0%)  Mainly sunny Nil E 10
20:00 17 Mainly sunny (0%)  Mainly sunny Nil E 10
21:00 15 Mainly sunny (0%)  Mainly sunny Nil VR 5
22:00 12 A few clouds (0%)  A few clouds Nil VR 5
23:00 10 A few clouds (0%)  A few clouds Nil VR 5
25 June 2018
00:00 9 A few clouds (0%)  A few clouds Nil VR 5
01:00 8 A few clouds (0%)  A few clouds Nil VR 5
02:00 7 A few clouds (0%)  A few clouds Nil VR 5
03:00 6 A few clouds (0%)  A few clouds Nil VR 5
04:00 5 A few clouds (0%)  A few clouds Nil VR 5
05:00 4 A few clouds (0%)  A few clouds Nil VR 5
06:00 5 Mainly sunny (0%)  Mainly sunny Nil VR 5
07:00 6 Mainly sunny (0%)  Mainly sunny Nil VR 5
08:00 8 Mainly sunny (0%)  Mainly sunny Nil VR 5
09:00 9 Mainly sunny (0%)  Mainly sunny Nil VR 5
 
† Likelihood of Precipitation (LOP) as described in the public forecast as a chance of measurable precipitation for a period of time.
  Nil: 0%
  Low: 40% or below
  Medium: 60% or 70%
  High: Above 70%

Environment Canada