Sarnia Weather Conditions
Current Temperature Level
Sarnia Weather Conditions
Current Temperature Level
Feels Like 17°C
Chances of Rain11%
18°11%7 AM
17°12%8 AM18°11%9 AM20°8%10 AM22°6%11 AM24°4%12 PM25°3%1 PM26°2%2 PM27°2%3 PM27°1%4 PM27°1%5 PM27°1%6 PM28°1%7 PM26°2%8 PM24°4%9 PM21°7%10 PM20°7%11 PM19°6%12 AM18°6%1 AM17°5%2 AM17°4%3 AM17°4%4 AM16°4%5 AM16°3%Skies are likely to remain clear overnight.
Last Updated: 2026-08-04 06:00 (Local Time)
191°SSW
Direction
11.5km/h
Wind Speed
Gust Speed
6.7m/s
Precipitation
Precipitation
0mm
Pressure
1017mb
UV Index
0Low
Today
22
°C
67%Wednesday
22
°C55%Thursday
23
°C79%Friday
22
°C88%Saturday
25
°C74%Sunday
27
°C64%Monday
21
°C69%Tuesday
18
°C79%Wednesday
22
°C80%Thursday
21
°C77%Sunny
Clear Sky with temperature at 22 °C and humidity will be at 67% with 18.7 km/h winds.28°C / 17°C
Humi.67 %
Prec.0 mm
Sunrise
06:23 AM14hrs 24min
Sunset
08:47 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
19 °C
77 %
0
8.6 kmph / SSE
Clear
Feels 19 °C
Cover 0 %
Visibility 10 km
1 AM
Clear
18 °C
81 %
0
9.7 kmph / S
ClearFeels 18 °C
Cover 3 %
Visibility 10 km
2 AM
Clear
18 °C
81 %
0
10.1 kmph / SSW
ClearFeels 17 °C
Cover 1 %
Visibility 10 km
3 AM
Clear
18 °C
82 %
0
10.8 kmph / SSW
ClearFeels 17 °C
Cover 0 %
Visibility 10 km
4 AM
Clear
19 °C
78 %
0
10.8 kmph / SSW
ClearFeels 18 °C
Cover 0 %
Visibility 10 km
5 AM
Clear
18 °C
78 %
0
10.4 kmph / SSW
ClearFeels 18 °C
Cover 0 %
Visibility 10 km
6 AM
Clear
18 °C
85 %
0
11.5 kmph / SSW
ClearFeels 17 °C
Cover 0 %
Visibility 10 km
7 AM
Sunny
17 °C
88 %
0.1
11.2 kmph / S
SunnyFeels 17 °C
Cover 1 %
Visibility 10 km
8 AM
Sunny
18 °C
85 %
0.6
10.4 kmph / S
SunnyFeels 18 °C
Cover 0 %
Visibility 10 km
9 AM
Sunny
20 °C
78 %
1.8
12.2 kmph / SSW
SunnyFeels 19 °C
Cover 0 %
Visibility 10 km
10 AM
Sunny
22 °C
70 %
3.5
12.6 kmph / SSW
SunnyFeels 21 °C
Cover 0 %
Visibility 10 km
11 AM
Sunny
24 °C
64 %
5.6
12.6 kmph / SW
SunnyFeels 25 °C
Cover 0 %
Visibility 10 km
12 PM
Sunny
25 °C
57 %
7.5
12.2 kmph / SSW
SunnyFeels 25 °C
Cover 0 %
Visibility 10 km
1 PM
Sunny
26 °C
53 %
8.6
12.2 kmph / SSW
SunnyFeels 26 °C
Cover 0 %
Visibility 10 km
2 PM
Sunny
27 °C
48 %
8.6
10.8 kmph / SSW
SunnyFeels 27 °C
Cover 0 %
Visibility 10 km
3 PM
Sunny
27 °C
45 %
7.4
11.5 kmph / S
SunnyFeels 27 °C
Cover 0 %
Visibility 10 km
4 PM
Sunny
27 °C
43 %
5.6
13 kmph / SSW
SunnyFeels 26 °C
Cover 0 %
Visibility 10 km
5 PM
Sunny
27 °C
38 %
3.5
14 kmph / SSW
SunnyFeels 24 °C
Cover 0 %
Visibility 10 km
6 PM
Sunny
28 °C
47 %
1.7
15.1 kmph / S
SunnyFeels 28 °C
Cover 0 %
Visibility 10 km
7 PM
Sunny
26 °C
54 %
0.6
16.2 kmph / S
SunnyFeels 27 °C
Cover 5 %
Visibility 10 km
8 PM
Sunny
24 °C
65 %
0.1
18.7 kmph / S
SunnyFeels 23 °C
Cover 5 %
Visibility 10 km
9 PM
Clear
21 °C
74 %
0
17.3 kmph / S
ClearFeels 20 °C
Cover 4 %
Visibility 10 km
10 PM
Clear
20 °C
74 %
0
16.2 kmph / S
ClearFeels 18 °C
Cover 3 %
Visibility 10 km
11 PM
Clear
19 °C
71 %
0
15.5 kmph / S
ClearFeels 17 °C
Cover 3 %
Visibility 10 km
26°22°23°20°25°18°28°17°30°16°28°19°25°19°30°20°36°21°24°18°20°17°26°18°25°17°24°17°25°17°25°17°26°18°25°18°
25°17°26°18°25°17°23°17°25°16°25°17°25°17°24°17°25°17°24°17°25°17°25°17°24°16°AugustWeather Overview
No. of days:
Sunny
8
Cloudy
0
Rainy
22
Snowy
0
The monthly weather averages in Sarnia consist of 8 sunny days, 0 cloudy days, 22 rainy days, and 0 snowy days.
Sarnia's Locations Weather Conditions
Canada's Hottest Cities - August 2026
1.
New Glasgow, Nova Scotia
23 °C
Partly Cloudy
82%
0
32 kmph / SSW
2.
Pictou, Nova Scotia
23 °C
Partly Cloudy
82%
0
32 kmph / SSW
3.
Sydney, Nova Scotia
22 °C
Partly Cloudy
88%
0.2
28.8 kmph / S
4.
Cape Breton, Nova Scotia
22 °C
Partly Cloudy
88%
0.2
28.8 kmph / S
5.
Antigonish, Nova Scotia
22 °C
Patchy rain nearby
89%
0.1
34.6 kmph / SSW
6.
Port Hawkesbury, Nova Scotia
22 °C
Patchy rain nearby
89%
0.1
34.6 kmph / SSW
7.
Saint Peters Bay, Prince Edward Island
22 °C
Partly Cloudy
81%
0
39.6 kmph / S
8.
Charlottetown, Prince Edward Island
21 °C
Patchy rain nearby
85%
0
43.6 kmph / SSW
9.
Lake Loon, Nova Scotia
20 °C
Patchy rain nearby
93%
0
28.1 kmph / SW
10.
Halifax, Nova Scotia
20 °C
Patchy rain nearby
93%
0
29.5 kmph / SW
Last Updated: 04 Aug 2026, 10:36 AM
City Weather RankingsFAQs About Sarnia Weather Conditions
1. What is the current temperature in Sarnia today - 04 August 2026?
1. What is the current temperature in Sarnia today - 04 August 2026?
The current temperature in Sarnia is 18°C, with a feels-like temperature of 17°C. Today's forecast shows a high of 28°C and a low of 17°C, giving a 11 degree swing through the day as of 06:00 AM 04 August 2026.
2. What are the current weather parameters in Sarnia today?
2. What are the current weather parameters in Sarnia today?
Here is a complete overview of Sarnia's current weather conditions as of 06:00 AM 04 August 2026: Condition : Clear Temperature : 18°C Cool (Feels like 17°C) Humidity : 85% Wind Speed : 11.5 km/h from SSW (191 degrees), Gust 6.7 m/s UV Index : 0 (Low Air Pressure : 1017 mb Cloud Cover : 0% Visibility : 10 km Precipitation : 0 mm (5% chance of rain)
3. What is the 10-day weather forecast for Sarnia from 06:00 AM 04 August 2026?
3. What is the 10-day weather forecast for Sarnia from 06:00 AM 04 August 2026?
From 06:00 AM 04 August 2026, Sarnia's 10-day forecast shows this trend: Today (Aug. 4) : Temp. 22°C, Hum. 67% and Sunny condition. Wednesday (Aug. 5) : Temp. 22°C, Hum. 55% and Sunny condition. Thursday (Aug. 6) : Temp. 23°C, Hum. 79% and Patchy rain nearby condition. Friday (Aug. 7) : Temp. 22°C, Hum. 88% and Rain Shower condition. Saturday (Aug. 8) : Temp. 25°C, Hum. 74% and Sunny condition. Sunday (Aug. 9) : Temp. 27°C, Hum. 64% and Sunny condition. Monday (Aug. 10) : Temp. 21°C, Hum. 69% and Sunny condition. Tuesday (Aug. 11) : Temp. 18°C, Hum. 79% and Sunny condition. Wednesday (Aug. 12) : Temp. 22°C, Hum. 80% and Rain Showers condition. Thursday (Aug. 13) : Temp. 21°C, Hum. 77% and Rain Showers condition.
4. Will it rain in Sarnia today?
4. Will it rain in Sarnia today?
As of 06:00 AM 04 August 2026, there is a 11% chance of rainfall in Sarnia later today around 2026-08-04 06:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.
5. What is the monthly weather forecast for Sarnia in August 2026?
5. What is the monthly weather forecast for Sarnia in August 2026?
August 2026 in Sarnia is forecast to have 8 sunny days, 22 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 16°C to highs of 36°C.
6. How does the weather in Sarnia affect air quality?
6. How does the weather in Sarnia affect air quality?
Weather directly impacts air quality in Sarnia. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.
