Sarnia
Lambton County, Ontario, Canada
Current Weather
8°46°
Mostly Clear
Feels Like: 5°40°
Min: 7°44°
Max: 14°58°
The next few hours will be overcast, with today reaching 14°C and dropping to 3°C. The coming days will be drizzle
Hourly Forecast
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Air Quality
Air quality is acceptable. However, there may be a risk for some people.
Daylight Hours
08:04
Sunrise
18:21
Sunset
Moon
18:25
Moonrise
08:37
Moonset
Daily Forecast
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View stargazing scoreWeather in Sarnia today, October 26, 2026
Sarnia looks cloudy on October 26, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. Cloud leads the morning, peaking close to 100% near 05:00. Sunshine has little room until later in the day.Sarnia looks cloudy on October 26, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. Cloud leads the morning, peaking close to 100% near 05:00. Sunshine has little room until later in the day.
The day peaks near 14°C and cools toward 7°C. Expect humidity between 58% and 97%, most humid near 04:00. Airflow remains manageable, reaching about 22 km/h around 23:00.The day peaks near 58°F and cools toward 44°F. Expect humidity between 58% and 97%, most humid near 04:00. Airflow remains manageable, reaching about 13 mph around 23:00.
Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 14.9 km, though it can fall to 12.9 km. Sunrise is at 08:04 and sunset at 18:21, giving 10 hours 16 minutes of sunlight today.Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 9.3 mi, though it can fall to 8 mi. Sunrise is at 08:04 and sunset at 18:21, giving 10 hours 16 minutes of sunlight today.
The practical takeaway for Sarnia on October 26, 2026 is a cloudy day that stays usable, just not particularly bright, around 14°C.The practical takeaway for Sarnia on October 26, 2026 is a cloudy day that stays usable, just not particularly bright, around 58°F.
Frequently asked questions about weather in Sarnia
How warm does it get in Sarnia?
The warmest month in Sarnia is July, with average high temperatures of 27°C. The average temperature during this period is around 23°C.The warmest month in Sarnia is July, with average high temperatures of 80°F. The average temperature during this period is around 73°F.
How cold does it get in Sarnia?
The coldest month in Sarnia is January, with average low temperatures of -5°C. The average temperature during this period is around -3°C.The coldest month in Sarnia is January, with average low temperatures of 22°F. The average temperature during this period is around 27°F.
What is the wettest time of year in Sarnia?
The wettest month in Sarnia is July, with an average of 91 mm of precipitation.The wettest month in Sarnia is July, with an average of 3.6 in of precipitation.
What is the driest time of year in Sarnia?
The driest month in Sarnia is November, with an average of 57 mm of precipitation.The driest month in Sarnia is November, with an average of 2.3 in of precipitation.