St. Catharines

CA

Live · updated just now

Current conditions

Partly cloudy
29°C
Feels like 31°C · Partly cloudy
Humidity
44%
Wind
14 km/h WNW
Pressure
1015 hPa
UV Index
6.3 High
Cloud Cover
1%
Precipitation
0 mm
Sunrise
5:51 AM
Sunset
8:56 PM
Compare

What to expect today in St. Catharines

Right now in St. Catharines it's 29°C with partly cloudy. Today's high should reach 30°C with an overnight low near 24°C. No significant precipitation is expected over the next several hours. Tomorrow will be cooler, reaching around 27°C with overcast. UV levels are high (index 6) — sun protection is advised.

Next 25 Hours

Now
Mainly clear
29°C
·
16:00
Mainly clear
29°C
·
17:00
Mainly clear
29°C
·
18:00
Mainly clear
30°C
·
19:00
Mainly clear
29°C
·
20:00
Partly cloudy
27°C
·
21:00
Mainly clear
26°C
·
22:00
Mainly clear
25°C
·
23:00
Mainly clear
25°C
·
00:00
Overcast
25°C
·
01:00
Overcast
24°C
·
02:00
Overcast
24°C
·
03:00
Clear sky
24°C
·
04:00
Clear sky
24°C
·
05:00
Clear sky
24°C
·
06:00
Mainly clear
23°C
·
07:00
Mainly clear
22°C
·
08:00
Mainly clear
22°C
·
09:00
Overcast
23°C
·
10:00
Overcast
25°C
·
11:00
Overcast
25°C
·
12:00
Overcast
26°C
·
13:00
Overcast
26°C
·
14:00
Overcast
27°C
·
15:00
Overcast
27°C
·

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.