Cornwall
Ontario, Canada
Current Weather
10°50°
Light Rain
Feels Like: 4°38°
Min: 3°37°
Max: 11°52°
The next few hours will be clear, with today reaching 11°C and dropping to 1°C. The coming days will be partly cloudy throughout the day.
Hourly Forecast
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Air Quality
Air quality is acceptable. However, there may be a risk for some people.
Daylight Hours
07:38
Sunrise
17:47
Sunset
Moon
17:48
Moonrise
08:11
Moonset
Daily Forecast
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View stargazing scoreWeather in Cornwall today, October 26, 2026
Cornwall 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. The morning sky stays heavily clouded, with cover near 100% around 10:00. Grey conditions set the early tone before any later change.Cornwall 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. The morning sky stays heavily clouded, with cover near 100% around 10:00. Grey conditions set the early tone before any later change.
Temperatures climb from an overnight low near 3°C toward a daytime high of about 11°C. The air stays humid, with relative humidity between 68% and 95% and the peak around 12:00. Airflow remains manageable, reaching about 14 km/h around 16:00.Temperatures climb from an overnight low near 37°F toward a daytime high of about 52°F. The air stays humid, with relative humidity between 68% and 95% and the peak around 12:00. Airflow remains manageable, reaching about 8 mph around 16:00.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 15.2 km, with poorer spells close to 12.5 km. The sun rises at 07:38 and sets at 17:47, for a total of 10 hours 9 minutes of sunlight today.The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 9.5 mi, with poorer spells close to 7.8 mi. The sun rises at 07:38 and sets at 17:47, for a total of 10 hours 9 minutes of sunlight today.
Overall, Cornwall on October 26, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 11°C.Overall, Cornwall on October 26, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 52°F.
Frequently asked questions about weather in Cornwall
How warm does it get in Cornwall?
The warmest month in Cornwall is July, with average high temperatures of 27°C. The average temperature during this period is around 22°C.The warmest month in Cornwall is July, with average high temperatures of 81°F. The average temperature during this period is around 71°F.
How cold does it get in Cornwall?
The coldest month in Cornwall is January, with average low temperatures of -10°C. The average temperature during this period is around -7°C.The coldest month in Cornwall is January, with average low temperatures of 14°F. The average temperature during this period is around 20°F.
What is the wettest time of year in Cornwall?
The wettest month in Cornwall is October, with an average of 133 mm of precipitation.The wettest month in Cornwall is October, with an average of 5.2 in of precipitation.
What is the driest time of year in Cornwall?
The driest month in Cornwall is September, with an average of 70 mm of precipitation.The driest month in Cornwall is September, with an average of 2.8 in of precipitation.