Forecast - Environment Canada
Observed at: Thunder Bay Airport
Date: Monday June 24, 2019 at 07:00 EDT
Light Rain
Light Rain
Temp.: 12.5 °C
Wind: E 34 gust 44 km/h
Humidity: 99 %
Dew point: 12.3 °C
Pressure: 100.2 kPa
Tendency: falling
Visibility: 8.1 km
Sunrise: 05:56
Sunset: 22:03
Normals:
Max 22°C Min 9°C
Yesterday
  Max: 18.5 °C
  Min: 6.1 °C
  Rainfall: 7.3 mm

 Extended Forecast - Environment Canada
Monday
A few showers
A few showers
Max: 15°C
Tuesday
Chance of showers (40%)
Chance of showers
Max: 23°C
Wednesday
Sunny
Sunny
Max: 30°C
Thursday
Sunny
Sunny
Max: 30°C
Friday
Sunny
Sunny
Max: 30°C
Saturday
Sunny
Sunny
Max: 30°C
Sunday
Sunny
Sunny
Max: 29°C
Monday night
A few showers
A few showers
Min: 11°C
Tuesday night
Chance of showers (60%)
Chance of showers
Min: 15°C
Wednesday night
Clear
Clear
Min: 13°C
Thursday night
Clear
Clear
Min: 12°C
Friday night
Clear
Clear
Min: 14°C
Saturday night
Clear
Clear
Min: 14°C
 

Forecast

Thunder Bay, ON (Issued: Monday June 24, 2019 at 05:30 EDT)

Today
Showers. High 15. UV index 3 or moderate.
Tonight
Showers. Fog patches developing overnight. Low 11.
Tuesday
Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm late in the afternoon. Fog patches dissipating in the morning. High 23. Humidex 26.
Tuesday night
Cloudy periods with 60 percent chance of showers. Low 15.
Wednesday
Sunny. High 30.
Wednesday night
Clear. Low 13.
Thursday
Sunny. High 30.
Thursday night
Clear. Low 12.
Friday
Sunny. High 30.
Friday night
Clear. Low 14.
Saturday
Sunny. High 30.
Saturday night
Clear. Low 14.
Sunday
Sunny. High 29.
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 2019
08:00 12 A few showers (80%)  A few showers High NE 15
09:00 12 A few showers (80%)  A few showers High NE 15
10:00 13 A few showers (80%)  A few showers High NE 15
11:00 13 A few showers (80%)  A few showers High NE 15
12:00 13 A few showers (80%)  A few showers High SE 15
13:00 14 A few showers (80%)  A few showers High SE 15
14:00 14 A few showers (80%)  A few showers High SE 15
15:00 14 A few showers (80%)  A few showers High SE 15
16:00 15 A few showers (80%)  A few showers High SE 15
17:00 15 A few showers (80%)  A few showers High SE 15
18:00 15 A few showers (80%)  A few showers High SE 15
19:00 15 A few showers (80%)  A few showers High SE 15
20:00 15 A few showers (80%)  A few showers High VR 5
21:00 15 A few showers (80%)  A few showers High VR 5
22:00 14 A few showers (80%)  A few showers High VR 5
23:00 14 A few showers (80%)  A few showers High VR 5
25 June 2019
00:00 13 Chance of showers (60%)  Chance of showers Medium VR 5
01:00 12 Chance of showers (60%)  Chance of showers Medium VR 5
02:00 11 Chance of showers (60%)  Chance of showers Medium VR 5
03:00 11 Chance of showers (60%)  Chance of showers Medium VR 5
04:00 11 Chance of showers (60%)  Chance of showers Medium VR 5
05:00 11 Chance of showers (60%)  Chance of showers Medium VR 5
06:00 11 Chance of showers (40%)  Chance of showers Low VR 5
07:00 12 Chance of showers (40%)  Chance of showers Low 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