View hourly forecasts 10-days ahead
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9 PM
59°
RealFeel®
58°
Cool
0%
Intermittent clouds
RealFeel Shade™58°
WindNNE 7 mph
Air QualityFair
Max UV Index0.0 (Low)
Wind Gusts8 mph
Humidity92%
Indoor Humidity68% (Slightly Humid)
Dew Point57° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover72%
Visibility10 mi
Cloud Ceiling20000 ft
10 PM
59°
RealFeel®
57°
Cool
0%
Partly cloudy
WindNNE 6 mph
Air QualityFair
Wind Gusts7 mph
Humidity95%
Indoor Humidity68% (Slightly Humid)
Dew Point57° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover42%
Visibility10 mi
Cloud Ceiling30000 ft
11 PM
57°
RealFeel®
56°
Cool
0%
Mostly clear
WindNNE 5 mph
Air QualityFair
Wind Gusts7 mph
Humidity98%
Indoor Humidity67% (Slightly Humid)
Dew Point57° F
AccuLumen Brightness Index™0 (Dark)
Cloud Cover26%
Visibility10 mi
Cloud Ceiling30000 ft
Hourly Weather Forecast for St. Catharines
AccuWeather's hourly forecast for St. Catharines provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 59° with a RealFeel® of 58°, intermittent clouds with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.
