Arthur Island, ON, near Thunder Bay

Weather Forecast

Sun, May 19. Next 3 days: No precipitation. Temp high +17°C, low +9°C. Moderate wind on Sun and Tue, up to 25 km/h.

Sat
18 		Sun
19 		Mon
20 		Tue
21 		Wed
22
AM PM night AM PM night AM PM night AM PM night AM PM night
Cloud cover, %%
Max temp, °C 15 18 16 14 17 16 13 15 14 12 16 12 11 10 9
Min temp, °C 12 15 12 11 15 11 10 14 10 9 13 11 10 8 8
Rain, mm - 1 3 - - - - - - - - - 9 7 5
Snow, cm - - - - - - - - - - - - - - -
Wind avg, km/h 20 20 20 20 25 15 5 5 5 10 5 20 40 20 10
Humidity, %% 70 50 70 60 40 40 50 50 60 70 50 60 70 80 80
Freezing level, m 3300 3500 3100 2600 2900 3100 3000 3100 3400 3500 3800 3900 3700 3700 2700
Cloud
cover		 °C Rain
mm		 Snow
cm		 Wind
km/h		 Humid
%%		 Freeze
m
18 Sat
18
Sat 		AM 14 - - 20 70 3300
PM 18 1 - 20 50 3500
night 12 3 - 20 70 3100
19 Sun
19
Sun 		AM 12 - - 20 60 2600
PM 17 - - 25 40 2900
night 11 - - 15 40 3100
20 Mon
20
Mon 		AM 12 - - 5 50 3000
PM 15 - - 5 50 3100
night 10 - - 5 60 3400
21 Tue
21
Tue 		AM 10 - - 10 70 3500
PM 16 - - 5 50 3800
night 11 - - 20 60 3900
22 Wed
22
Wed 		AM 10 9 - 40 70 3700
PM 10 7 - 20 80 3700
night 8 5 - 10 80 2700

  1. Each time period answers the question: "If I go at <XX>, what is the weather that I should expect?". So, approximately:
    • AM - from 4am till noon
    • PM - from noon till 8pm
    • night - from 8pm till 4am next day
  2. Wind arrow shows direction of air flow. So arrow pointing up means wind from south to north; arrow pointing right means wind from west to east.
Location Ontario,
73 km from Thunder Bay
Altitude 179 m