No watches or warnings in effect for St. Catharines, ON.

Updated: @ 20/06/2021 19:00 - next update at 00:00  
Summary / Temperature Wind Rain Outlook
Mostly cloudy, Dry Mostly cloudy, Dry
Currently: 77.2, Max: 84.7, Min: 56.3 77.2°C
Colder 2.7°C than last hour.


Feels like: 79°C

24-hr difference
-2.2°CColder 2.2°C than yesterday at this time.
  Today Yesterday
High: 84.7°C
Low: 56.3°C
 Wind from N N
3 km/h
1 Bft - Light Breeze
Today: 12 km/h 15:28
Gust Month: 20.0 km/h June 7
Rain Today: 0 mm
Rain Rate (/hr): 0 mm
Rain Yesterday: 0 mm
Storm Rain: 0 mm
This Month: 0 mm
Season Total: 8.7 mm
92 days since last rain.
Chance of showers or thunderstorms (60%)
Chance of showers or thunderstorms
Humidity & Barometer Almanac Moon
Humidity: 56 % Increased 4.0% since last hour.
Dew Point: 60.3°C Decreased 0.4°C since last hour.
Barometer: 29.796 hPa  
Baro Trend: Steady
Sunrise: 05:48
Sunset: 20:31
Moonset: 03:13
Moonrise: 16:09
Waxing Gibbous
Waxing Gibbous, Moon at 10 days in cycle
UV Index Forecast UV Index Forecast
10.9     Very High 
10.3     Very High 
 EC Weather Forecast  - Outlook: Tonight & Monday
Sunday night
Showers or thunderstorms
Showers or thunderstorms

Min: 18°C
EC forecast: Partly cloudy. 30 percent chance of showers this evening. Showers with a few thunderstorms beginning near midnight. Risk of a thunderstorm this evening. Local amount 15 to 25 mm. Wind southwest 20 km/h. Low 18.
WXSIM forecast: Fair in the evening, becoming fair to partly cloudy after midnight. Low 54°. Wind northwest around 5 mph, gusting to 23 mph, in the evening, becoming southwest near calm after midnight.
Davis VP+ forecast: Partly cloudy with little temp change.
Chance of showers or thunderstorms (60%)
Chance of showers or thunderstorms

Max: 26°C
EC forecast: Showers with a few thunderstorms ending in the morning then mainly cloudy with 60 percent chance of showers. Risk of a thunderstorm late in the morning and in the afternoon. Wind south 20 km/h gusting to 40 becoming southwest 40 gusting to 70 in the morning. High 26. Humidex 35. UV index 7 or high.
WXSIM forecast: Mostly sunny in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. High 85°. UV index up to 10. Wind south-southwest around 3 mph, gusting to 17 mph, in the morning, becoming west in the afternoon.