St. Catharines weather — 10-day forecast
Temperature, rain, wind and feels-like in St. Catharines, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 20:00 · NOAA HRRR model
15 °C
Overcast
Feels like 12 °C
Next 12 h
↑ 15°20:00↓ 10°08:00
- Humidity
- 66 %
- Dew point
- 9 °C
- Gusts
- 22.7 km/h
- Clouds
- 100 %
- Pressure
- 1,020 hPa ↑
Grid point 0.7 km away · 3.0 km grid · elevation 103 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 48.2µg/m³
- PM2.5
- 2.2µg/m³
- PM10
- 2.2µg/m³
- Nitrogen dioxide
- 9.8µg/m³
- Sulphur dioxide
- 2.6µg/m³
- Carbon monoxide
- 176.0µg/m³
- Dust (AOD)
- 0.00
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Overcast10 %
17°
13°
Thu
Overcast100 %
13°
10°
Fri
Rain100 %
18°
10°
Sat
Mainly clear90 %
10°
6°
Sun
Clear sky
15°
6°
Mon
Clear sky
17°
9°
Tue
Mainly clear
16°
7°
Wed
Partly cloudy
16°
9°
Thu
Clear sky
14°
10°
Fri
Overcast
13°
11°
Gusts · Fri 63.3 km/h · Sat 57.3 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 07:30
- Daylight
- 11 h 06
- Sunset
- 18:36
Radiation · 3.0 MJ/m²
Today in St. Catharines the mean temperature will be 15.0 °C — +2.7 °C against the normal for 14 October, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around St. Catharines