The Weather Network
Weather
Maps
News
Video
|
Welcome
Current
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
St Catharines, ON Current Weather
St Catharines, ON
Updated 7 minutes ago
20
°
C
Partly cloudy
Feels 21
H: 23° L: 18°
Hourly
Full 72 hours
10pm
19°
Feels 20
30%
11pm
19°
Feels 20
30%
12am
19°
Feels 20
30%
1am
19°
Feels 20
40%
Rain amount
0.4mm
2am
19°
Feels 20
60%
Rain amount
0.3mm
Mostly cloudy, then scattered showers throughout the next 12 hours.
Today’s Conditions
--
Sunrise
--
Sunset
--
No Data Available
Wind
--
Gust:
--
No Data Available
Pressure
--
No Data Available
Humidity
--
No Data Available
Visibility
--
No Data Available
Ceiling
--
No Data Available
Yesterday
--
No Data Available
7 Days
All 7 days
14 Days
All 14 days
Watch videos
Content continues below
Radar Map
See all maps
Content continues below
Southern Ontario's 14-day dry spell is about to be spoiled by the remnants of Hurricane Polo
Read more
Content continues below
Content continues below
News
Read more news
Hurricane Polo remnants to end southern Ontario's record dry streak
2:32
Canadian organic farmer shares why the practice is so rewarding
With a 'super' El Nino, does that guarantee late-fall warmth in Canada?
2:03
Indigenous father-son duo creates app to fight wildfires
Ready or not, October snows can and will fall across Canada
1:02
Watch entire mountainside give way during landslide event
What is a 'planetary-scale Kelvin wave', and why is California worried?
1:30
Woman records hectic moments when floods ruin basement
3 things you'll want to know with fall's arrival
0:40
Four dead after avalanche buries base camp in Nepal
Could El Niño save you money? How your utility bills may be impacted
2:30
Stink Bugs: Why are these pests invading your home and Canada?
Is your car not working? Your neighbourhood squirrels might know why
1:41
Iconic larches are looking much duller this fall, here's why
Warmest El Niño on record confirmed—and it's still intensifying
1:15
Testing Weather Lore: Do higher pinecones mean a snowier winter?
Looking for Indigenous history? This website recentres Indigenous perspectives
1:08
These wild mushrooms look just like toasted marshmallows
Why the Mi’kmaq calendar has 13 months and what they all mean
1:41
See thousands of elk rutting this fall at this Alberta hot spot
The best 'liquid gold' can be found here!
1:20
Bangkok underwater as deadly flooding declared a disaster
Storm that flooded 1,700 southern Ontario homes and cost $108 million
2:36
Five yardwork mistakes you're making this fall
'Is that a shark?' Shark spotted swimming through nor'easter-flooded street
1:15
High impacts from nor'easter prompt cancellations on U.S. coast
Meet the tiny, 'worm-like' creatures you've been seeing around your home lately
1:05
See the view inside Hurricane Polo as it became a monster storm
Becoming Rockies Rangers: Where learning and exploration go hand-in-hand
2:15
Will El Niño delay our first frost in Canada?
Weather for more locations
Vacation
Schools
Ski
Airports
Cottage
Attractions
Parks
Golf
Camping
Beaches
Marine
Content continues below
Possibility of rain tomorrow.
Monthly
Historical Averages
S
M
T
W
T
F
S
Forecast
Historical Avg.
Historical comparison:
Above
Below
Same
Weather FAQ for St Catharines, ON
What is the current temperature in St Catharines?
20°
What is the “feels like” temperature in St Catharines?
21°
What is the high and low temperature today in St Catharines?
high of
23°
low of
18°
What is the probability of rain or snow today in St Catharines?
70% P.O.P.
How much will it rain or snow today in St Catharines?
1-3 mm rain
What is the current wind speed and direction in St Catharines?
11 km/h S
What is the current humidity level in St Catharines?
73%
Are there any active weather alerts in St Catharines?
No
What is the UV index right now in St Catharines?
Low
What time is sunrise and sunset today in St Catharines?
Sunrise 7:12am
Sunset 7:00pm