Castleton
Northumberland County, Ontario, Canada
Current Weather
10°49°
Clear
Feels Like: 5°42°
Min: 7°44°
Max: 13°56°
The next few hours will be clear, with today reaching 13°C and dropping to 4°C. The coming days will be partly cloudy starting in the afternoon.
Hourly Forecast
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Air Quality
Air quality is acceptable. However, there may be a risk for some people.
Daylight Hours
07:49
Sunrise
18:01
Sunset
Moon
18:04
Moonrise
08:22
Moonset
Daily Forecast
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View stargazing scoreWeather in Castleton today, October 26, 2026
Expect a muted, overcast feel in Castleton on October 26, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The first half of the day looks overcast, as cloud amounts reach about 100% around 08:00. Brighter weather, if it comes, waits until later.Expect a muted, overcast feel in Castleton on October 26, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The first half of the day looks overcast, as cloud amounts reach about 100% around 08:00. Brighter weather, if it comes, waits until later.
The temperature range runs from about 7°C up to 13°C. Moisture in the air spans 52%-92%, with the highest values around 04:00. Expect gentle winds, highest near 21:00 at 21 km/h.The temperature range runs from about 44°F up to 56°F. Moisture in the air spans 52%-92%, with the highest values around 04:00. Expect gentle winds, highest near 21:00 at 13 mph.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.8 km on average, though it can drop toward 13.9 km in thicker cloud or showers. Sunrise is at 07:49 and sunset at 18:01, giving 10 hours 12 minutes of sunlight today.Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 9.8 mi on average, though it can drop toward 8.6 mi in thicker cloud or showers. Sunrise is at 07:49 and sunset at 18:01, giving 10 hours 12 minutes of sunlight today.
In short, cloud leads the story in Castleton on October 26, 2026; expect limited sun and a peak around 13°C.In short, cloud leads the story in Castleton on October 26, 2026; expect limited sun and a peak around 56°F.
Frequently asked questions about weather in Castleton
How warm does it get in Castleton?
The warmest month in Castleton is July, with average high temperatures of 26°C. The average temperature during this period is around 22°C.The warmest month in Castleton is July, with average high temperatures of 78°F. The average temperature during this period is around 72°F.
How cold does it get in Castleton?
The coldest month in Castleton is February, with average low temperatures of -6°C. The average temperature during this period is around -3°C.The coldest month in Castleton is February, with average low temperatures of 20°F. The average temperature during this period is around 26°F.
What is the wettest time of year in Castleton?
The wettest month in Castleton is April, with an average of 96 mm of precipitation.The wettest month in Castleton is April, with an average of 3.8 in of precipitation.
What is the driest time of year in Castleton?
The driest month in Castleton is September, with an average of 63 mm of precipitation.The driest month in Castleton is September, with an average of 2.5 in of precipitation.