Sarnia Weather Conditions
Current Temperature Level

25 °C

Pleasant

SunnyFeels Like 27°CHumidity 57%

58 AQI

PM2.5 : 13PM10 : 20

Air quality index is: Moderate

Last Updated: 2025-09-14 15:45 (Local Time)

Map

Sarnia

Sarnia Weather Parameters

Wind Speed

18 km/h

Light breeze

Gust Speed

6 m/s

Direction

14° NNE

Cloud Cover

0 %

Visibility

14 km

Precipitation

0 mm

Pressure

1020

1021

1022

1023

1024

1025

1026

1027

1028

1029

1030

1031

1020 mb

High

940956

981

1005

Moderate

1013

1030

1046+

UV Index

UV Index5

Moderate

Suggestions for

TodaySarnia

14 Sep.

Hydration• Stay Hydrated

Clothing• Layering Must

Driving• Enjoy Driving

Sunscreen• Apply

Trending in Canada

India Floods 2025: How Waterlogging Is Creating a Hidden Air Pollution Crisis?

Sarnia 10-Days Weather Forecast

See Monthly

Today

17°C

89 %

Monday

19°C

87 %

Tuesday

18°C

86 %

Wednesday

19°C

73 %

Thursday

21°C

59 %

Friday

18°C

72 %

Saturday

16°C

50 %

Sunday

18°C

44 %

Monday

19°C

81 %

Tuesday

20°C

87 %

Today14 Sep

Partly Cloudy

Periodic cloud cover with temperature at 17 °C. Humidity will be at 89%, and winds will be at 23 km/h.

24°C / 12°C

Humi.89 %

Prec.0 mm

Sunrise

07:08 AM

12hrs 33min

Sunset

07:41 PM

Temperature (°C)

12 AMTime11 PM

Time

Condition

Temp

Humidity

Wind Speed & Dir.

12 AM

Clear

17 °C

91 %

5.4 kmph / SSW

Feels 16.7 °C

Cover 14 %

Visibility 10 km

1 AM

Clear

16 °C

94 %

5.4 kmph / SSW

Feels 16.2 °C

Cover 3 %

Visibility 10 km

2 AM

Mist

16 °C

96 %

4 kmph / SW

Feels 15.7 °C

Cover 4 %

Visibility 10 km

3 AM

Fog

15 °C

98 %

4.3 kmph / WSW

Feels 15.6 °C

Cover 100 %

Visibility 10 km

4 AM

Fog

14 °C

98 %

3.2 kmph / WNW

Feels 14.1 °C

Cover 100 %

Visibility 10 km

5 AM

Fog

13 °C

97 %

3.2 kmph / NW

Feels 13.1 °C

Cover 100 %

Visibility 10 km

6 AM

Fog

13 °C

97 %

3.6 kmph / NNW

Feels 12.5 °C

Cover 100 %

Visibility 10 km

7 AM

Fog

12 °C

97 %

4 kmph / N

Feels 12.3 °C

Cover 100 %

Visibility 10 km

8 AM

Mist

13 °C

97 %

0.2

3.6 kmph / NNE

Feels 12.8 °C

Cover 94 %

Visibility 10 km

9 AM

Mist

14 °C

95 %

0.7

4.7 kmph / NE

Feels 14.1 °C

Cover 77 %

Visibility 10 km

10 AM

Cloudy

16 °C

93 %

1.9

6.5 kmph / NE

Feels 16.3 °C

Cover 64 %

Visibility 10 km

11 AM

Partly Cloudy

19 °C

82 %

3.4

8.6 kmph / NE

Feels 18.5 °C

Cover 26 %

Visibility 10 km

12 PM

Sunny

20 °C

77 %

4.9

11.5 kmph / NNE

Feels 20.3 °C

Cover 20 %

Visibility 10 km

1 PM

Sunny

22 °C

73 %

5.9

13.7 kmph / NNE

Feels 21.8 °C

Cover 20 %

Visibility 10 km

2 PM

Sunny

23 °C

69 %

5.9

15.8 kmph / NNE

Feels 24.3 °C

Cover 21 %

Visibility 10 km

3 PM

Sunny

25 °C

57 %

18 kmph / NNE

Feels 24.9 °C

Cover 0 %

Visibility 14 km

4 PM

Partly Cloudy

23 °C

70 %

3.4

20.2 kmph / NNE

Feels 24.8 °C

Cover 28 %

Visibility 10 km

5 PM

Partly Cloudy

21 °C

77 %

1.9

23 kmph / NNE

Feels 21.4 °C

Cover 30 %

Visibility 10 km

6 PM

Partly Cloudy

20 °C

86 %

0.7

23 kmph / NNE

Feels 19.8 °C

Cover 30 %

Visibility 10 km

7 PM

Partly Cloudy

18 °C

92 %

0.2

19.8 kmph / NNE

Feels 18.2 °C

Cover 28 %

Visibility 10 km

8 PM

Partly Cloudy

18 °C

98 %

15.8 kmph / NNE

Feels 17.6 °C

Cover 54 %

Visibility 10 km

9 PM

Fog

17 °C

98 %

14.4 kmph / NE

Feels 17.4 °C

Cover 100 %

Visibility 10 km

10 PM

Fog

17 °C

98 %

13.3 kmph / NE

Feels 17.4 °C

Cover 100 %

Visibility 10 km

11 PM

Fog

17 °C

98 %

11.9 kmph / NE

Feels 17.3 °C

Cover 100 %

Visibility 10 km

Today

17°C

89 %

Monday

19°C

87 %

Tuesday

18°C

86 %

Wednesday

19°C

73 %

Thursday

21°C

59 %

Friday

18°C

72 %

Saturday

16°C

50 %

Sunday

18°C

44 %

Monday

19°C

81 %

Tuesday

20°C

87 %

Temp23 °C

ConditionPartly Cloudy

Humidity70 %

Feels24.8 °C

Cover28 %

Visibility10 km

Wind Speed & Dir.20.2 kmph / NNE

UV3.4

Sarnia 30-Days (September 2025) Weather Forecast

See Hourly

Sun.

Mon.

Tue.

Wed.

Thu.

Fri.

Sat.

1Mon.

22°13 °C

2Tue.

25°11 °C

3Wed.

28°11 °C

4Thu.

21°13 °C

5Fri.

24°8 °C

6Sat.

19°8 °C

7Sun.

21°5 °C

8Mon.

19°9 °C

9Tue.

25°7 °C

10Wed.

24°9 °C

11Thu.

24°12 °C

12Fri.

25°13 °C

13Sat.

21°12 °C

14Today

24°12 °C

15Mon.

26°15 °C

16Tue.

23°12 °C

17Wed.

29°11 °C

18Thu.

30°17 °C

19Fri.

21°15 °C

20Sat.

23°10 °C

21Sun.

25°12 °C

22Mon.

23°18 °C

23Tue.

24°18 °C

24Wed.

24°16 °C

25Thu.

17°15 °C

26Fri.

14°10 °C

27Sat.

15°7 °C

28Sun.

19°12 °C

29Mon.

18°12 °C

30Tue.

17°11 °C

SeptemberWeather Overview

No. of days:

Sunny

Cloudy

Rainy

Snowy

The monthly weather averages in Sarnia consist of 8 sunny days, 9 cloudy days, 9 rainy days, and 0 snowy days.

Sarnia's Locations Weather Conditions

Locations

Temp

Condition

Humi.

Wind Speed & Direction

Christina Street North

25 °C

Sunny

57%

18 kmph / NNE

Canada's Hottest Cities - September 2025

Hottest

Coldest

RankCityTemperatureWeather ConditionHumidityUVWind Speed & Dir.

Redcliff, Canada

28 °C

Partly cloudy

28%

4.4

20.9 kmph / SSW

Medicine Hat, Canada

28 °C

Partly cloudy

28%

4.4

20.9 kmph / SSW

Lethbridge, Canada

27 °C

Sunny

30%

4.7

21.6 kmph / WSW

Chatham, Canada

27 °C

Sunny

47%

6.8 kmph / NW

Windsor, Canada

27 °C

Sunny

41%

5.1

8.3 kmph / ENE

St Thomas, Canada

26 °C

Partly cloudy

45%

4.9

10.8 kmph / SSE

London, Canada

26 °C

Partly cloudy

45%

4.3

9.4 kmph / NNE

Swift Current, Canada

26 °C

Sunny

37%

4.6

18.4 kmph / S

Belleville, Canada

26 °C

Partly Cloudy

42%

2.4

5.4 kmph / NNE

10.

Waterloo, Canada

26 °C

Partly cloudy

51%

3.5

11.9 kmph / NNE

Last Updated: 14 Sept 2025, 08:10 PM

City Weather Rankings

Prana sense

Experience precise, real-time weather monitoring with our Automatic Weather Station, reliable source for accurate meteorological data.

Weather Station

Experience precise, real-time weather monitoring with our Automatic Weather Station, reliable source for accurate meteorological data.

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Sarnia Weather ConditionsCurrent Temperature Level

Sarnia Weather Parameters

Trending in Canada

Sarnia 10-Days Weather Forecast

Sarnia 30-Days (September 2025) Weather Forecast

SeptemberWeather Overview

No. of days:

Sarnia's Locations Weather Conditions

Canada's Hottest Cities - September 2025

Prana sense

Weather Station

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Sarnia Weather Conditions
Current Temperature Level