Sunbury
Frontenac County, Ontario, Canada
Current Weather
0°32°
Clear
Feels Like: -5°24°
Min: -1°31°
Max: 13°55°
The next few hours will be mostly clear, with today reaching 13°C and dropping to 0°C. The coming days will be partly cloudy throughout the day.
Hourly Forecast
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Air Quality
Air quality is satisfactory, and air pollution poses little or no risk.
Daylight Hours
07:42
Sunrise
17:56
Sunset
Moon
17:28
Moonrise
06:57
Moonset
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View stargazing scoreWeather in Sunbury today, October 25, 2026
Cloud cover dominates in Sunbury on October 25, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Morning skies stay relatively clear, holding cloud close to 22% near 08:00. The early part of the day favours being outside.Cloud cover dominates in Sunbury on October 25, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Morning skies stay relatively clear, holding cloud close to 22% near 08:00. The early part of the day favours being outside.
The day peaks near 13°C and cools toward -1°C. Moisture in the air spans 68%-97%, with the highest values around 08:00. A lighter breeze peaks around 14:00 near 17 km/h.The day peaks near 55°F and cools toward 31°F. Moisture in the air spans 68%-97%, with the highest values around 08:00. A lighter breeze peaks around 14:00 near 11 mph.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 18:00. Outdoor plans may still want a flexible backup. Expect visibility near 15.4 km, with poorer spells close to 12.6 km. Daylight runs from 07:42 to 17:56, lasting 10 hours 14 minutes of sunlight today.The afternoon keeps an overcast feel, as cloud reaches about 100% around 18:00. Outdoor plans may still want a flexible backup. Expect visibility near 9.6 mi, with poorer spells close to 7.8 mi. Daylight runs from 07:42 to 17:56, lasting 10 hours 14 minutes of sunlight today.
Taken together, overcast skies in Sunbury on October 25, 2026 favour indoor or covered options, with temperatures near 13°C.Taken together, overcast skies in Sunbury on October 25, 2026 favour indoor or covered options, with temperatures near 55°F.
Frequently asked questions about weather in Sunbury
How warm does it get in Sunbury?
The warmest month in Sunbury is July, with average high temperatures of 26°C. The average temperature during this period is around 22°C.The warmest month in Sunbury is July, with average high temperatures of 79°F. The average temperature during this period is around 72°F.
How cold does it get in Sunbury?
The coldest month in Sunbury is January, with average low temperatures of -9°C. The average temperature during this period is around -6°C.The coldest month in Sunbury is January, with average low temperatures of 15°F. The average temperature during this period is around 21°F.
What is the wettest time of year in Sunbury?
The wettest month in Sunbury is October, with an average of 116 mm of precipitation.The wettest month in Sunbury is October, with an average of 4.6 in of precipitation.
What is the driest time of year in Sunbury?
The driest month in Sunbury is September, with an average of 63 mm of precipitation.The driest month in Sunbury is September, with an average of 2.5 in of precipitation.