Weather hour by hour (periods) in Sarnia , Canada

Day

clear

Night

clear to partly cloudy

Day

mostly cloudy

15°

Night

partly cloudy to clear

Day

mostly clear

13°

Night

clear

Day

clear to mostly cloudy

21°

Night

cloudy

13°

Day

chance for rain showers from noon

20°

Night

chance for rain showers from midnight

14°

Day

light fog till morning followed by rain showers

20°

Night

chance for light rain till midnight followed by light fog

10°

Day

generally partly cloudy with light fog at morning

19°

Night

light fog, chance for light rain at dawn

13°

Day

rain showers with thunderstorms

25°

Night

generally scattered clouds with rain showers with thunderstorms at dawn

15°

Day

rain showers with thunderstorms

22°

Night

scattered clouds

Dawn

Very Cold

Very Cold

Morning

Very Cold

Very Cold

Noon

Mostly Clear

Mostly Clear

Afternoon

Mostly Clear

Mostly Clear

Evening

Clear

Clear

Night

Clear

Clear

Dawn

Northern

14km/h

Morning

Northern

15km/h

Noon

Northern

16km/h

Afternoon

Northern

17km/h

Evening

Northern

5km/h

Night

Northern

4km/h

Dawn

Relative Humidity

89%

Morning

Relative Humidity

71%

Noon

Relative Humidity

56%

Afternoon

Relative Humidity

50%

Evening

Relative Humidity

66%

Night

Relative Humidity

79%

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

Scattered Clouds

Scattered Clouds

Morning

Scattered Clouds

Scattered Clouds

Noon

Cloudy

Cloudy

14°

Afternoon

Overcast

Overcast

15°

Evening

Cloudy

Cloudy

Night

Overcast

Overcast

Dawn

Southwestern

9km/h

Morning

Western

11km/h

Noon

Western

8km/h

Afternoon

Northern

18km/h

Evening

Northern

14km/h

Night

Northern

16km/h

Dawn

Relative Humidity

83%

Morning

Relative Humidity

62%

Noon

Relative Humidity

57%

Afternoon

Relative Humidity

58%

Evening

Relative Humidity

85%

Night

Relative Humidity

88%

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

Clear

Clear

Morning

Mostly Clear

Mostly Clear

Noon

Scattered Clouds

Scattered Clouds

12°

Afternoon

Scattered Clouds

Scattered Clouds

13°

Evening

Clear

Clear

10°

Night

Clear

Clear

Dawn

Northern

14km/h

Morning

Northeastern

11km/h

Noon

Northeastern

7km/h

Afternoon

Northeastern

9km/h

Evening

Northeastern

6km/h

Night

Eastern

8km/h

Dawn

Relative Humidity

90%

Morning

Relative Humidity

69%

Noon

Relative Humidity

63%

Afternoon

Relative Humidity

64%

Evening

Relative Humidity

73%

Night

Relative Humidity

79%

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

Clear

Clear

Morning

Scattered Clouds

Scattered Clouds

11°

Noon

Scattered Clouds

Scattered Clouds

18°

Afternoon

Scattered Clouds

Scattered Clouds

21°

Evening

Overcast

Overcast

18°

Night

Overcast

Overcast

14°

Dawn

Southeastern

8km/h

Morning

Southeastern

9km/h

Noon

Southern

10km/h

Afternoon

Southern

12km/h

Evening

Southeastern

10km/h

Night

Southeastern

12km/h

Dawn

Relative Humidity

85%

Morning

Relative Humidity

74%

Noon

Relative Humidity

61%

Afternoon

Relative Humidity

52%

Evening

Relative Humidity

70%

Night

Relative Humidity

82%

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

Overcast

Overcast

13°

Morning

Overcast

Overcast

15°

Noon

Chance for Rain Showers

Chance for Rain Showers

19°

Afternoon

Chance for Rain Showers

Chance for Rain Showers

20°

Evening

Chance for Rain Showers

Chance for Rain Showers

18°

Night

Chance for Light Rain

Chance for Light Rain

15°

Dawn

Southeastern

12km/h

Morning

Southeastern

12km/h

Noon

Southeastern

14km/h

Afternoon

Southeastern

14km/h

Evening

Southeastern

13km/h

Night

Southeastern

13km/h

Dawn

Relative Humidity

91%

Morning

Relative Humidity

81%

Noon

Relative Humidity

74%

Afternoon

Relative Humidity

70%

Evening

Relative Humidity

84%

Night

Relative Humidity

94%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

35%

Afternoon

Precipitation Probability

40%

Evening

Precipitation Probability

36%

Night

Precipitation Probability

37%

Dawn

Chance for Rain Showers

Chance for Rain Showers

14°

Morning

Mist - Light Fog

Mist - Light Fog

16°

Noon

Light Rain

Light Rain

20°

Afternoon

Chance for Rain Showers

Chance for Rain Showers

20°

Evening

Chance for Rain Showers

Chance for Rain Showers

14°

Night

Partly Cloudy with  a chance for Light Rain

Partly Cloudy with a chance for Light Rain

11°

Dawn

Southeastern

13km/h

Morning

Southeastern

12km/h

Noon

Southeastern

13km/h

Afternoon

Southeastern

15km/h

Evening

Southeastern

11km/h

Night

Southeastern

11km/h

Dawn

Relative Humidity

96%

Morning

Relative Humidity

88%

Noon

Relative Humidity

78%

Afternoon

Relative Humidity

75%

Evening

Relative Humidity

88%

Night

Relative Humidity

97%

Dawn

Precipitation Probability

36%

Morning

Precipitation Probability

37%

Noon

Precipitation Probability

66%

Afternoon

Precipitation Probability

71%

Evening

Precipitation Probability

37%

Night

Precipitation Probability

33%

Dawn

Mist - Light Fog

Mist - Light Fog

10°

Morning

Mist - Light Fog

Mist - Light Fog

12°

Noon

Cloudy

Cloudy

17°

Afternoon

Partly Cloudy

Partly Cloudy

19°

Evening

Partly Cloudy

Partly Cloudy

13°

Night

Mist - Light Fog

Mist - Light Fog

13°

Dawn

Southeastern

10km/h

Morning

Southeastern

11km/h

Noon

Southeastern

12km/h

Afternoon

Northeastern

14km/h

Evening

Northeastern

8km/h

Night

Northeastern

8km/h

Dawn

Relative Humidity

98%

Morning

Relative Humidity

87%

Noon

Relative Humidity

74%

Afternoon

Relative Humidity

67%

Evening

Relative Humidity

81%

Night

Relative Humidity

94%

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

Partly Cloudy with  a chance for Light Rain

Partly Cloudy with a chance for Light Rain

14°

Morning

Chance for Thunderstorms

Chance for Thunderstorms

16°

Noon

Thunderstorms

Thunderstorms

22°

Afternoon

Partly Cloudy with Rain Showers

Partly Cloudy with Rain Showers

25°

Evening

Clear

Clear

20°

Night

Mostly Clear

Mostly Clear

15°

Dawn

Southeastern

14km/h

Morning

Southern

17km/h

Noon

Southern

23km/h

Afternoon

Southwestern

26km/h

Evening

Western

15km/h

Night

Western

14km/h

Dawn

Relative Humidity

96%

Morning

Relative Humidity

89%

Noon

Relative Humidity

72%

Afternoon

Relative Humidity

57%

Evening

Relative Humidity

74%

Night

Relative Humidity

84%

Dawn

Precipitation Probability

55%

Morning

Precipitation Probability

55%

Noon

Precipitation Probability

71%

Afternoon

Precipitation Probability

68%

Evening

Precipitation Probability

0%

Night

Precipitation Probability

0%

Dawn

Thunderstorms

Thunderstorms

15°

Morning

Thunderstorms

Thunderstorms

16°

Noon

Thunderstorms

Thunderstorms

21°

Afternoon

Thunderstorms

Thunderstorms

22°

Evening

Partly Cloudy with Rain Showers

Partly Cloudy with Rain Showers

17°

Night

Scattered Clouds

Scattered Clouds

11°

Day Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Dawn

Southwestern

12km/h

Morning

Southwestern

23km/h

Noon

Southwestern

28km/h

Afternoon

Southwestern

26km/h

Evening

Western

19km/h

Night

Western

18km/h

Dawn

Relative Humidity

80%

Morning

Relative Humidity

76%

Noon

Relative Humidity

65%

Afternoon

Relative Humidity

58%

Evening

Relative Humidity

73%

Night

Relative Humidity

81%

Dawn

Precipitation Probability

61%

Morning

Precipitation Probability

66%

Noon

Precipitation Probability

65%

Afternoon

Precipitation Probability

74%

Evening

Precipitation Probability

72%

Night

Precipitation Probability

0%