St. Catharines
Niagara Region, Ontario, Canada
Current Weather
10°49°
Clear
Feels Like: 4°39°
Min: 4°39°
Max: 16°61°
The next few hours will be clear, with today reaching 16°C and dropping to 1°C. The coming days will be drizzle
Hourly Forecast
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Air Quality
Air quality is satisfactory, and air pollution poses little or no risk.
Daylight Hours
07:52
Sunrise
18:08
Sunset
Moon
18:12
Moonrise
08:24
Moonset
Daily Forecast
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View stargazing scoreWeather in St. Catharines today, October 26, 2026
St. Catharines starts October 26, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. The morning sky stays heavily clouded, with cover near 100% around 07:00. Grey conditions set the early tone before any later change.St. Catharines starts October 26, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. The morning sky stays heavily clouded, with cover near 100% around 07:00. Grey conditions set the early tone before any later change.
The day peaks near 16°C and cools toward 4°C. Relative humidity sits between 50% and 97%, reaching its peak around 08:00. Breezes become lively, peaking around 18:00 near 33 km/h.The day peaks near 61°F and cools toward 39°F. Relative humidity sits between 50% and 97%, reaching its peak around 08:00. Breezes become lively, peaking around 18:00 near 20 mph.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 14:00. Outdoor plans may still want a flexible backup. Expect visibility near 15.4 km, with poorer spells close to 13 km. Expect sunrise at 07:52, sunset at 18:08, and 10 hours 16 minutes of sunlight today overall.The afternoon keeps an overcast feel, as cloud reaches about 100% around 14:00. Outdoor plans may still want a flexible backup. Expect visibility near 9.6 mi, with poorer spells close to 8.1 mi. Expect sunrise at 07:52, sunset at 18:08, and 10 hours 16 minutes of sunlight today overall.
Taken together, lively winds in St. Catharines on October 26, 2026 matter as much as the temperature high of about 16°C.Taken together, lively winds in St. Catharines on October 26, 2026 matter as much as the temperature high of about 61°F.
Frequently asked questions about weather in St. Catharines
How warm does it get in St. Catharines?
The warmest month in St. Catharines is July, with average high temperatures of 25°C. The average temperature during this period is around 23°C.The warmest month in St. Catharines is July, with average high temperatures of 78°F. The average temperature during this period is around 73°F.
How cold does it get in St. Catharines?
The coldest month in St. Catharines is January, with average low temperatures of -4°C. The average temperature during this period is around -2°C.The coldest month in St. Catharines is January, with average low temperatures of 25°F. The average temperature during this period is around 29°F.
What is the wettest time of year in St. Catharines?
The wettest month in St. Catharines is April, with an average of 108 mm of precipitation.The wettest month in St. Catharines is April, with an average of 4.2 in of precipitation.
What is the driest time of year in St. Catharines?
The driest month in St. Catharines is September, with an average of 63 mm of precipitation.The driest month in St. Catharines is September, with an average of 2.5 in of precipitation.