St. Catharines

CA

Live · updated just now

Current conditions

Overcast
21°C
Feels like 24°C · Overcast
Humidity
97%
Wind
13 km/h SW
Pressure
1012 hPa
UV Index
0 Low
Cloud Cover
84%
Precipitation
0 mm
Sunrise
6:42 AM
Sunset
7:54 PM
Compare

What to expect today in St. Catharines

Right now in St. Catharines it's 21°C with overcast. Today's high should reach 24°C with an overnight low near 20°C. Expect thunderstorms in the afternoon, with chances peaking near 42%. Tomorrow will be warmer, reaching around 27°C with moderate rain showers.

Next 25 Hours

09:00
Overcast
20°C
·
10:00
Overcast
21°C
·
11:00
Overcast
22°C
·
12:00
Slight rain showers
23°C
·
13:00
Slight rain showers
24°C
·
14:00
Slight rain showers
24°C
·
15:00
Overcast
24°C
·
16:00
Overcast
23°C
·
17:00
Overcast
23°C
·
18:00
Overcast
23°C
·
19:00
Overcast
22°C
·
20:00
Overcast
21°C
·
21:00
Thunderstorm
21°C
·
22:00
Thunderstorm
21°C
·
23:00
Thunderstorm
20°C
·
00:00
Overcast
20°C
·
01:00
Overcast
20°C
·
02:00
Overcast
19°C
·
03:00
Overcast
20°C
·
04:00
Overcast
20°C
·
05:00
Overcast
21°C
·
06:00
Moderate rain showers
20°C
·
07:00
Moderate rain showers
21°C
·
08:00
Moderate rain showers
21°C
·
09:00
Overcast
22°C
0.6

9-Day Forecast

Forecast trends

Next 24 hours — temperature & precipitation

10-day outlook — high / low & rainfall

St. Catharines on the map

About St. Catharines

St. Catharines is located in Niagara Region, Ontario, known for its vibrant downtown and access to Niagara Falls. The climate is generally temperate with distinct seasons.

St. Catharines experiences four distinct seasons with warm, humid summers and cold, snowy winters. Temperatures can range significantly, with hot summers and freezing winters. Spring and fall offer the most pleasant weather for visiting.

Nearby Cities

Compare St. Catharines with another citySee weather & climate side by side — find your climate twin.