Sarnia Weather Conditions
Current Temperature Level
Sarnia Weather Conditions
Current Temperature Level
Last Updated: 2026-08-17 06:00 (Local Time)
Overcast
Fully overcast skies with a high of 18 °C. Humidity will be 83%, and winds at 43.6 km/h.26°C / 9°C
Sunrise
06:37 AM13hrs 52min
Sunset
08:29 PMAugustWeather Overview
No. of days:
Sunny
18
Cloudy
1
Rainy
12
Snowy
0
The monthly weather averages in Sarnia consist of 18 sunny days, 1 cloudy days, 12 rainy days, and 0 snowy days.
United States's Hottest Cities - August 2026
1.
Park Village, California
36 °C
Clear
15%
0
22.3 kmph / WSW
2.
Indio, California
34 °C
Blowing dust
22%
0
23.4 kmph / WSW
3.
Calexico, California
33 °C
Partly Cloudy
26%
0
28.1 kmph / WSW
4.
El Centro, California
33 °C
Clear
27%
0
28.1 kmph / WSW
5.
North Shore, California
33 °C
Clear
23%
0
23.4 kmph / WSW
6.
Mecca, California
33 °C
Clear
23%
0
23.4 kmph / WSW
7.
Brawley, California
32 °C
Clear
29%
0
30.2 kmph / WSW
8.
Westmorland, California
32 °C
Clear
29%
0
30.2 kmph / WSW
9.
Chiriaco Summit, California
32 °C
Clear
28%
0
33.5 kmph / WSW
10.
Fountain Hills, Arizona
32 °C
Clear
21%
0
21.6 kmph / NNE
Last Updated: 17 Aug 2026, 10:10 AM
City Weather RankingsFAQs About Sarnia Weather Conditions
1. What is the current temperature in Sarnia today - 17 August 2026?
1. What is the current temperature in Sarnia today - 17 August 2026?
The current temperature in Sarnia is 20°C, with a feels-like temperature of 17°C. Today's forecast shows a high of 26°C and a low of 9°C, giving a 17 degree swing through the day as of 06:00 AM 17 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 17 August 2026: Condition : Rain Temperature : 20°C Cool (Feels like 17°C) Humidity : 87% Wind Speed : 28.1 km/h from NW (311 degrees), Gust 8.5 m/s UV Index : 0 (Low Air Pressure : 1026 mb Cloud Cover : 100% Visibility : 10 km Precipitation : 6.52 mm (87% chance of rain)
3. What is the 10-day weather forecast for Sarnia from 06:00 AM 17 August 2026?
3. What is the 10-day weather forecast for Sarnia from 06:00 AM 17 August 2026?
From 06:00 AM 17 August 2026, Sarnia's 10-day forecast shows this trend: Today (Aug. 17) : Temp. 18°C, Hum. 83% and Overcast condition. Tuesday (Aug. 18) : Temp. 10°C, Hum. 93% and Overcast condition. Wednesday (Aug. 19) : Temp. 10°C, Hum. 94% and Patchy rain nearby condition. Thursday (Aug. 20) : Temp. 8°C, Hum. 74% and Patchy rain nearby condition. Friday (Aug. 21) : Temp. 7°C, Hum. 68% and Overcast condition. Saturday (Aug. 22) : Temp. 7°C, Hum. 73% and Overcast condition. Sunday (Aug. 23) : Temp. 7°C, Hum. 70% and Overcast condition. Monday (Aug. 24) : Temp. 8°C, Hum. 71% and Overcast condition. Tuesday (Aug. 25) : Temp. 21°C, Hum. 78% and Rain Showers condition. Wednesday (Aug. 26) : 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 17 August 2026, yes — Sarnia is currently experiencing rainfall with 6.52 mm of precipitation. This is expected to temporarily improve AQI by washing pollutants out of the atmosphere.
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 18 sunny days, 12 rainy days, 1 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 11°C to highs of 34°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.



