Sarnia Weather Conditions
Current Temperature Level
Sarnia Weather Conditions
Current Temperature Level
Last Updated: 2026-07-30 12:00 (Local Time)
Sunny
Clear Sky with temperature at 23 °C and humidity will be at 72% with 16.2 km/h winds.26°C / 20°C
Sunrise
06:18 AM14hrs 35min
Sunset
08:53 PMJulyWeather Overview
No. of days:
Sunny
28
Cloudy
0
Rainy
1
Snowy
0
The monthly weather averages in Sarnia consist of 28 sunny days, 0 cloudy days, 1 rainy days, and 0 snowy days.
Sarnia's Locations Weather Conditions
Canada's Hottest Cities - July 2026
1.
Windsor, Ontario
32 °C
Sunny
39%
6.8
11.9 kmph / N
2.
Thunder Bay, Ontario
31 °C
Sunny
63%
4.2
3.6 kmph / WSW
3.
Brantford, Ontario
30 °C
Sunny
32%
7.4
18 kmph / N
4.
Winnipeg, Manitoba
30 °C
Sunny
60%
3.3
12.6 kmph / N
5.
Oakbank, Manitoba
30 °C
Sunny
60%
3.3
12.6 kmph / N
6.
Toronto, Ontario
29 °C
Sunny
43%
7.3
17.3 kmph / NNW
7.
Mississauga, Ontario
29 °C
Sunny
41%
7.3
17.3 kmph / N
8.
Oshawa, Ontario
29 °C
Sunny
51%
7.3
17.3 kmph / NNW
9.
Sault Ste. Marie, Ontario
29 °C
Sunny
46%
6
5 kmph / WSW
10.
Brampton, Ontario
29 °C
Sunny
42%
7.3
19.1 kmph / N
Last Updated: 30 Jul 2026, 04:17 PM
City Weather RankingsFAQs About Sarnia Weather Conditions
1. What is the current temperature in Sarnia today - 30 July 2026?
1. What is the current temperature in Sarnia today - 30 July 2026?
The current temperature in Sarnia is 24°C, with a feels-like temperature of 23°C. Today's forecast shows a high of 26°C and a low of 20°C, giving a 6 degree swing through the day as of 12:00 PM 30 July 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 12:00 PM 30 July 2026: Condition : Sunny Temperature : 24°C Pleasant (Feels like 23°C) Humidity : 65% Wind Speed : 13.7 km/h from N (10 degrees), Gust 4.4 m/s UV Index : 6.8 (High Air Pressure : 1016 mb Cloud Cover : 0% Visibility : 10 km Precipitation : 0 mm (6% chance of rain)
3. What is the 10-day weather forecast for Sarnia from 12:00 PM 30 July 2026?
3. What is the 10-day weather forecast for Sarnia from 12:00 PM 30 July 2026?
From 12:00 PM 30 July 2026, Sarnia's 10-day forecast shows this trend: Today (Jul. 30) : Temp. 23°C, Hum. 72% and Sunny condition. Friday (Jul. 31) : Temp. 24°C, Hum. 65% and Sunny condition. Saturday (Aug. 1) : Temp. 21°C, Hum. 86% and Partly Cloudy condition. Sunday (Aug. 2) : Temp. 20°C, Hum. 93% and Patchy rain nearby condition. Monday (Aug. 3) : Temp. 19°C, Hum. 92% and Light Rain condition. Tuesday (Aug. 4) : Temp. 20°C, Hum. 87% and Partly Cloudy condition. Wednesday (Aug. 5) : Temp. 22°C, Hum. 75% and Sunny condition. Thursday (Aug. 6) : Temp. 20°C, Hum. 81% and Patchy rain nearby condition. Friday (Aug. 7) : Temp. 21°C, Hum. 79% and Rain Showers condition. Saturday (Aug. 8) : Temp. 21°C, Hum. 81% and Rain Showers condition.
4. Will it rain in Sarnia today?
4. Will it rain in Sarnia today?
As of 12:00 PM 30 July 2026, there is a 4% chance of rainfall in Sarnia later today around 2026-07-30 12:00. 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 July 2026?
5. What is the monthly weather forecast for Sarnia in July 2026?
July 2026 in Sarnia is forecast to have 28 sunny days, 1 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 15°C to highs of 33°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.



