Grass Lake, ON, near Gravenhurst

Weather Forecast

Sat, Jan 17. Next 3 days: Some snow. Temp high +0°C, low -15°C. Moderate wind on Sat, Sun and Mon, up to 20 km/h.

Sat
17
Sun
18
Mon
19
Tue
20
Wed
21
AM PM night AM PM night AM PM night AM PM night AM PM night
Cloud cover, %%
Max temp, °C -1 0 -3 -8 -6 -8 -8 -7 -11 -13 -12 -11 -10 -6 -6
Min temp, °C -3 -3 -8 -9 -8 -10 -10 -10 -15 -15 -13 -12 -12 -9 -9
Rain, mm - - - - - - - - - - - - - - -
Snow, cm 1 - - - - 1 1 1 2 1 1 1 - 3 1
Wind avg, km/h 15 15 15 15 10 15 15 20 10 10 25 20 10 10 10
Humidity, %% 90 80 70 70 70 70 70 70 50 70 60 70 70 80 90
Freezing level, m 0 100 0 0 0 0 0 0 0 0 0 0 0 0 0
Cloud
cover
°C Rain
mm
Snow
cm
Wind
km/h
Humid
%%
Freeze
m
17 Sat
17
Sat
AM -2 - 1 15 90 0
PM 0 - - 15 80 100
night -8 - - 15 70 0
18 Sun
18
Sun
AM -8 - - 15 70 0
PM -6 - - 10 70 0
night -10 - 1 15 70 0
19 Mon
19
Mon
AM -9 - 1 15 70 0
PM -7 - 1 20 70 0
night -15 - 2 10 50 0
20 Tue
20
Tue
AM -14 - 1 10 70 0
PM -12 - 1 25 60 0
night -12 - 1 20 70 0
21 Wed
21
Wed
AM -11 - - 10 70 0
PM -6 - 3 10 80 0
night -9 - 1 10 90 0

  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,
12 km from Gravenhurst
Altitude 206 m