Perth South

Weather Forecast

Sun, Dec 22. Next 3 days: Some snow. Temp high +0°C, low -15°C. Strong wind on Mon, up to 30 km/h.

Sun
22 		Mon
23 		Tue
24 		Wed
25 		Thu
26
AM PM night AM PM night AM PM night AM PM night AM PM night
Cloud cover, %%
Max temp, °C -14 -9 -8 -4 -2 -1 0 0 -2 -2 0 -2 -2 1 -2
Min temp, °C -15 -12 -11 -8 -3 -2 -1 -2 -3 -6 -2 -3 -4 -2 -2
Rain, mm - - - - - - - - - - - - - - -
Snow, cm - - - 1 1 2 1 - - - - - - - -
Wind avg, km/h 10 10 20 25 30 20 10 5 10 15 20 20 20 20 20
Humidity, %% 70 70 70 70 80 80 90 80 80 80 80 80 80 80 80
Freezing level, m 0 0 0 0 100 200 200 300 0 0 300 0 0 400 200
Cloud
cover		 °C Rain
mm		 Snow
cm		 Wind
km/h		 Humid
%%		 Freeze
m
22 Sun
22
Sun 		AM -14 - - 10 70 0
PM -9 - - 10 70 0
night -11 - - 20 70 0
23 Mon
23
Mon 		AM -6 - 1 25 70 0
PM -2 - 1 30 80 100
night -2 - 2 20 80 200
24 Tue
24
Tue 		AM 0 - 1 10 90 200
PM 0 - - 5 80 300
night -3 - - 10 80 0
25 Wed
25
Wed 		AM -4 - - 15 80 0
PM 0 - - 20 80 300
night -3 - - 20 80 0
26 Thu
26
Thu 		AM -3 - - 20 80 0
PM 1 - - 20 80 400
night -2 - - 20 80 200

  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,
near St. Marys
Altitude 343 m