Current Weather
8:51 AM
66°F
Mostly sunny
RealFeel® 72°
Pleasant
RealFeel Shade™ 66°
Pleasant
RealFeel®
72°
RealFeel Shade™
66°
Max UV Index
2.9 (Moderate)
Wind
N 2 mph
Wind Gusts
2 mph
Humidity
93%
Indoor Humidity
87% (Humid)
Dew Point
64° F
Pressure
↑ 30.09 in
Cloud Cover
30%
Visibility
15 mi
Cloud Ceiling
40000 ft
Day
8/4
84°Hi
RealFeel®
89°
Very Warm
RealFeel Shade™
82°
Very Warm
Mostly sunny
Max UV Index8.0 (Very High)
AccuLumen Brightness Index™9 (Very Bright)
WindW 5 mph
Wind Gusts13 mph
Probability of Precipitation0%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover16%
Night
8/4
60°Lo
RealFeel®
61°
Cool
Mainly clear
WindSSE 2 mph
Wind Gusts5 mph
Probability of Precipitation0%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover11%
Sun & Moon
14 hrs 25 mins
Rise
6:10 AM
Set
8:35 PM
Waning Gibbous
Rise
11:07 PM
Set
1:53 PM
Temperature History
8/4High
Low
Forecast
84°
60°
Average
80°
61°
Last Year
81°
67°
Current Weather Conditions in St. Catharines
St. Catharines, Ontario is currently Mostly sunny with a temperature of 66°. The current RealFeel® Temperature is 72° (Pleasant) based on observed conditions including 93% humidity, 30% cloud cover, a UV index of 3, and winds of 2 mph. In shade, the RealFeel Shade™ is 66°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for St. Catharines, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.