Sarnia Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Sarnia

Sarnia temperature today is 9°, feels like 8°, with a humidity level of 99% and wind at 7.42 km/h. Rain chance today is 0%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in Sarnia: expect a high of 22° and a low of 14°, with overcast clouds. Rain chance tomorrow is 69%.

clear sky
9°
clear sky
H: 12° L: 9°
Feels like 8°
AQI: Fair (2/5)
Humidity
99%
Dew 9°
Wind speed
7.42 km/h
W
Pressure
1017 hPa
Visibility
3.8 km
High Humidity
Humidity is 99%. May feel uncomfortable.
Weather Summary
Currently in Sarnia, expect varied conditions with cold temperatures around 9°. Winds are a light breeze. High humidity may make it feel uncomfortable.
Precipitation Probability
0%
08
0%
11
0%
14
0%
17
0%
20
0%
23
0%
02
0%
05
0%
08
0%
11
0%
14
11%
17
69%
20
20%
23
0%
02
0%
05
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
11°
Tue
08:00
20°
 
23°
 
22°
 
18°
Tue
20:00
15°
 
14°
 
15°
 
15°
Wed
08:00
21°
 
22°
 
20°
 
16°
Wed
20:00
18°
 
18°
 
17°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
07:24
Sunset
Sunset
19:15
Moon Phase
Waning Gibbous (69%)
Timezone: GMT+05:30
Last updated: Sep 29, 2026 3:20 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
42.978661
Longitude
Longitude
-82.404068
Embed This Weather

Copy the code below to embed Sarnia weather on your website:

<iframe src="https://nearweather.com/embed/sarnia-ca-6141190" width="350" height="200" frameborder="0" style="border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,0.1);"></iframe>
More about Sarnia
Content curated by the NearWeather editorial team · Updated periodically
Sarnia is a city located in Ontario, Canada, on the eastern bank of the junction between the Upper and Lower Great Lakes. It has a population of over 71,000 people and is the largest city on Lake Huron. The climate in Sarnia is humid continental, with warm, humid summers and cold, dry winters. The average temperature year round is 5°C (41°F). Summers are generally warm and humid, with an average temperature of 20°C (68°F). Winters are cold and dry, with an average temperature of -9°C (16°F). The average precipitation levels are moderate, with an average annual precipitation of 890 mm (35 in).
Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Sarnia
What is the temperature in Sarnia right now?

The current temperature in Sarnia is 9°, and it feels like 8°. Today's high is 12° and the low is 9°.

Will it rain in Sarnia today?

No rain is expected in Sarnia today (0% chance). Conditions are currently clear sky.

What is the weather in Sarnia today?

Sarnia is experiencing clear sky with a temperature of 9°. Humidity is at 99% and wind speed is 7.42 km/h from the W.

What is the humidity in Sarnia today?

Humidity in Sarnia is 99% right now, with a dew point of 9°. Conditions may feel muggy or uncomfortable.

What is the wind speed in Sarnia today?

Wind speed in Sarnia is 7.42 km/h, flowing at 280° W wind direction.

What is the 5-day forecast for Sarnia?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for Sarnia. Today's high is 12° and low is 9°, with a 0% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in Sarnia today?

It feels like 8° in Sarnia today, with 2% cloud cover and 3.8 km visibility.

Weather in Sarnia