Weather hour by hour (periods) in Sarnia , Canada

Day

rain showers till noon

13°

Night

cold and partly cloudy

Day

partly cloudy to overcast

Night

snow/rain mix and snow showers and chance for rain showers at times

Day

snow showers

Night

chance for snow showers

-2°

Day

frost and chance for light snow till afternoon

Night

chance for light snow at evening, frost from midnight

-2°

Day

generally overcast with frost at morning

Night

chance for rain showers till midnight

Day

chance for rain showers at noon

Night

cold

Day

cold and overcast

Night

frost at dawn

Day

chance for light rain and chance for snow/rain mix at afternoon

Night

chance for snow showers till midnight followed by chance for snow/rain mix

Day

cold

Night

snow/rain mix till dawn followed by snow showers

Dawn

Chance for Light Rain

Chance for Light Rain

Morning

Rain Showers

Rain Showers

Noon

Chance for Rain Showers

Chance for Rain Showers

10°

Afternoon

Overcast

Overcast

13°

Evening

Mostly Cloudy

Mostly Cloudy

10°

Night

Cloudy

Cloudy

Night Very cold weather expected / Make sure to stay warm.

Very cold weather expected / Make sure to stay warm.

Dawn

Southern

25km/h

Morning

Southern

24km/h

Noon

Southern

21km/h

Afternoon

Southwestern

19km/h

Evening

Western

20km/h

Night

Western

18km/h

Dawn

Relative Humidity

60%

Morning

Relative Humidity

69%

Noon

Relative Humidity

80%

Afternoon

Relative Humidity

76%

Evening

Relative Humidity

74%

Night

Relative Humidity

84%

Dawn

Precipitation Probability

36%

Morning

Precipitation Probability

99%

Noon

Precipitation Probability

73%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Very Cold

Very Cold

Morning

Very Cold

Very Cold

Noon

Overcast

Overcast

Afternoon

Overcast

Overcast

Evening

Chance for Light Rain

Chance for Light Rain

Night

Sleet

Sleet

Night Sleet is expected / Risk of slippery roads.

Sleet is expected / Risk of slippery roads.

Dawn

North-west

17km/h

Morning

North-west

12km/h

Noon

North-west

9km/h

Afternoon

Northern

7km/h

Evening

Northeastern

4km/h

Night

Northeastern

12km/h

Dawn

Relative Humidity

81%

Morning

Relative Humidity

64%

Noon

Relative Humidity

57%

Afternoon

Relative Humidity

57%

Evening

Relative Humidity

72%

Night

Relative Humidity

79%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

56%

Night

Precipitation Probability

92%

Dawn

Sleet

Sleet

Morning

Snowy

Snowy

Noon

Snowy

Snowy

Afternoon

Snowy

Snowy

Evening

Chance for Light Snow

Chance for Light Snow

Night

Mostly Cloudy  with chance for Snow Showers

Mostly Cloudy with chance for Snow Showers

-2°

Day Snow is expected / Risk of slippery roads.

Snow is expected / Risk of slippery roads.

Dawn

Northeastern

17km/h

Morning

Northeastern

21km/h

Noon

Northeastern

23km/h

Afternoon

Northern

23km/h

Evening

Northern

20km/h

Night

Northern

15km/h

Dawn

Relative Humidity

96%

Morning

Relative Humidity

89%

Noon

Relative Humidity

72%

Afternoon

Relative Humidity

73%

Evening

Relative Humidity

78%

Night

Relative Humidity

80%

Dawn

Precipitation Probability

98%

Morning

Precipitation Probability

92%

Noon

Precipitation Probability

80%

Afternoon

Precipitation Probability

79%

Evening

Precipitation Probability

56%

Night

Precipitation Probability

55%

Dawn

Mostly Cloudy  with chance for Snow Showers

Mostly Cloudy with chance for Snow Showers

-2°

Morning

Frost

Frost

-1°

Noon

Frost

Frost

Afternoon

Frost

Frost

Evening

Very Cold

Very Cold

-1°

Night

Frost

Frost

-2°

Dawn

Northern

16km/h

Morning

North-west

23km/h

Noon

North-west

27km/h

Afternoon

North-west

27km/h

Evening

North-west

25km/h

Night

North-west

24km/h

Dawn

Relative Humidity

85%

Morning

Relative Humidity

70%

Noon

Relative Humidity

61%

Afternoon

Relative Humidity

57%

Evening

Relative Humidity

56%

Night

Relative Humidity

65%

Dawn

Precipitation Probability

46%

Morning

Precipitation Probability

41%

Noon

Precipitation Probability

46%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

48%

Night

Precipitation Probability

0%

Dawn

Frost

Frost

-2°

Morning

Frost

Frost

Noon

Very Cold

Very Cold

Afternoon

Very Cold

Very Cold

Evening

Chance for Rain Showers

Chance for Rain Showers

Night

Chance for Rain Showers

Chance for Rain Showers

Day Very cold weather expected / Make sure to stay warm.

Very cold weather expected / Make sure to stay warm.

Dawn

Western

23km/h

Morning

Western

18km/h

Noon

Western

27km/h

Afternoon

Western

25km/h

Evening

Southwestern

25km/h

Night

Southwestern

28km/h

Dawn

Relative Humidity

84%

Morning

Relative Humidity

74%

Noon

Relative Humidity

62%

Afternoon

Relative Humidity

65%

Evening

Relative Humidity

70%

Night

Relative Humidity

71%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

40%

Night

Precipitation Probability

43%

Dawn

Very Cold

Very Cold

Morning

Overcast

Overcast

Noon

Chance for Rain Showers

Chance for Rain Showers

Afternoon

Overcast

Overcast

Evening

Very Cold

Very Cold

Night

Very Cold

Very Cold

Night Very cold weather expected / Make sure to stay warm.

Very cold weather expected / Make sure to stay warm.

Dawn

Southwestern

22km/h

Morning

Southwestern

20km/h

Noon

Southwestern

19km/h

Afternoon

Southwestern

25km/h

Evening

Western

26km/h

Night

Western

24km/h

Dawn

Relative Humidity

85%

Morning

Relative Humidity

81%

Noon

Relative Humidity

72%

Afternoon

Relative Humidity

67%

Evening

Relative Humidity

65%

Night

Relative Humidity

62%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

45%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Very Cold

Very Cold

Morning

Very Cold

Very Cold

Noon

Very Cold

Very Cold

Afternoon

Very Cold

Very Cold

Evening

Very Cold

Very Cold

Night

Very Cold

Very Cold

Night Frost is expected / Make sure to protect the car engine with antifreeze and cover the water pipes to prevent cracks.

Frost is expected / Make sure to protect the car engine with antifreeze and cover the water pipes to prevent cracks.

Dawn

Western

20km/h

Morning

Western

23km/h

Noon

Western

27km/h

Afternoon

Western

25km/h

Evening

Western

20km/h

Night

Western

16km/h

Dawn

Relative Humidity

67%

Morning

Relative Humidity

57%

Noon

Relative Humidity

48%

Afternoon

Relative Humidity

49%

Evening

Relative Humidity

54%

Night

Relative Humidity

60%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Frost

Frost

Morning

Very Cold

Very Cold

Noon

Very Cold

Very Cold

Afternoon

Chance for Sleet

Chance for Sleet

Evening

Chance for Light Snow

Chance for Light Snow

Night

Chance for Sleet

Chance for Sleet

Dawn

Western

13km/h

Morning

Western

15km/h

Noon

Western

18km/h

Afternoon

Western

16km/h

Evening

Southwestern

10km/h

Night

Southwestern

5km/h

Dawn

Relative Humidity

69%

Morning

Relative Humidity

61%

Noon

Relative Humidity

53%

Afternoon

Relative Humidity

53%

Evening

Relative Humidity

57%

Night

Relative Humidity

67%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

32%

Evening

Precipitation Probability

55%

Night

Precipitation Probability

55%

Dawn

Chance for Sleet

Chance for Sleet

Morning

Very Cold

Very Cold

Noon

Very Cold

Very Cold

Afternoon

Very Cold

Very Cold

Evening

Sleet

Sleet

Night

Sleet

Sleet

Day Very cold weather expected / Make sure to stay warm.

Very cold weather expected / Make sure to stay warm.

Night Sleet is expected / Risk of slippery roads.

Sleet is expected / Risk of slippery roads.

Dawn

Northern

13km/h

Morning

North-west

12km/h

Noon

North-west

9km/h

Afternoon

North-west

5km/h

Evening

Southeastern

6km/h

Night

Southeastern

11km/h

Dawn

Relative Humidity

75%

Morning

Relative Humidity

70%

Noon

Relative Humidity

65%

Afternoon

Relative Humidity

63%

Evening

Relative Humidity

67%

Night

Relative Humidity

88%

Dawn

Precipitation Probability

56%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

0%

Afternoon

Precipitation Probability

0%

Evening

Precipitation Probability

66%

Night

Precipitation Probability

68%