Perth
Lanark County, Ontario, Canada
Current Weather
8°46°
Mostly Cloudy
Feels Like: 7°45°
Min: 3°38°
Max: 13°55°
The next few hours will be clear, with today reaching 13°C and dropping to 0°C. The coming days will be mostly cloudy throughout the day.
Hourly Forecast
Want a closer look at the weather?
Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.
Air Quality
Air quality is acceptable. However, there may be a risk for some people.
Daylight Hours
07:43
Sunrise
17:53
Sunset
Moon
17:54
Moonrise
08:17
Moonset
Daily Forecast
Today
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Sunday
Monday
Tuesday
Resources
UV Index
Humidity
Looking at the night sky?
See moon phases, eclipses, and seasons for this year.
View astronomyCurrent stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Perth.
View stargazing scoreWeather in Perth today, October 26, 2026
Perth stays under cloudy skies on October 26, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. 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.Perth stays under cloudy skies on October 26, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. 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 highs of 13°C and cooler readings close to 3°C. Relative humidity sits between 43% and 88%, reaching its peak around 07:00. A lighter breeze peaks around 14:00 near 19 km/h.Expect highs of 55°F and cooler readings close to 38°F. Relative humidity sits between 43% and 88%, reaching its peak around 07:00. A lighter breeze peaks around 14:00 near 12 mph.
Through the afternoon cloud remains the main feature, with cover near 100% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 15.8 km, briefly nearer 10.4 km. Sunrise is at 07:43 and sunset at 17:53, giving 10 hours 9 minutes of sunlight today.Through the afternoon cloud remains the main feature, with cover near 100% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 9.8 mi, briefly nearer 6.5 mi. Sunrise is at 07:43 and sunset at 17:53, giving 10 hours 9 minutes of sunlight today.
Overall, Perth on October 26, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 13°C.Overall, Perth on October 26, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 55°F.
Frequently asked questions about weather in Perth
How warm does it get in Perth?
The warmest month in Perth is July, with average high temperatures of 27°C. The average temperature during this period is around 21°C.The warmest month in Perth is July, with average high temperatures of 80°F. The average temperature during this period is around 70°F.
How cold does it get in Perth?
The coldest month in Perth is January, with average low temperatures of -11°C. The average temperature during this period is around -7°C.The coldest month in Perth is January, with average low temperatures of 12°F. The average temperature during this period is around 19°F.
What is the wettest time of year in Perth?
The wettest month in Perth is April, with an average of 107 mm of precipitation.The wettest month in Perth is April, with an average of 4.2 in of precipitation.
What is the driest time of year in Perth?
The driest month in Perth is September, with an average of 52 mm of precipitation.The driest month in Perth is September, with an average of 2.1 in of precipitation.


