Castle Island, ON, near Greenstone

Weather Forecast

Wed, Dec 25. Next 3 days: No precipitation. Temp high +3°C, low -4°C. Moderate wind on Wed, Thu and Fri, up to 25 km/h.

Wed
25
Thu
26
Fri
27
Sat
28
Sun
29
AM PM night AM PM night AM PM night AM PM night AM PM night
Cloud cover, %%
Max temp, °C -4 -2 -1 -1 -1 0 2 3 3 3 3 2 1 2 1
Min temp, °C -4 -3 -2 -2 -1 -1 0 2 3 2 2 1 1 1 0
Rain, mm - - - - - - - - - 3 3 1 - - 1
Snow, cm - - - - - - - - - - - - - - -
Wind avg, km/h 15 15 20 25 20 20 15 15 15 15 15 5 10 10 15
Humidity, %% 80 70 70 70 70 80 90 90 90 90 90 90 90 90 100
Freezing level, m 0 0 0 0 200 200 500 1700 1700 1300 800 900 800 600 500
Cloud
cover
°C Rain
mm
Snow
cm
Wind
km/h
Humid
%%
Freeze
m
25 Wed
25
Wed
AM -4 - - 15 80 0
PM -2 - - 15 70 0
night -2 - - 20 70 0
26 Thu
26
Thu
AM -2 - - 25 70 0
PM -1 - - 20 70 200
night -1 - - 20 80 200
27 Fri
27
Fri
AM 1 - - 15 90 500
PM 3 - - 15 90 1700
night 3 - - 15 90 1700
28 Sat
28
Sat
AM 2 3 - 15 90 1300
PM 3 3 - 15 90 800
night 1 1 - 5 90 900
29 Sun
29
Sun
AM 1 - - 10 90 800
PM 2 - - 10 90 600
night 0 1 - 15 100 500

  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,
117 km from Greenstone
Altitude 289 m