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St. Catharines, Ontario, Canada
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Weather in St. Catharines, Canada

42°
Light rain
Feels like 42°
32°10°
5%
Time in St. Catharines3:42 AM Thu, Jan 20

Weather Advisories

New!
Low Visibility
Saturday evening
Flurries
Sunday afternoon

Today's weather summary

The weather in St. Catharines on Thursday, January 20th, is going to be cloudy for most of the day, with few clouds during the evening.

There is also a chance for some clouds during the morning around 8 am.

Weather details for St. Catharines, on Thursday, January 20th:

The highest temperature of the day is going to be 32°F at about 12 am. The day will have very high relative humidity, with average humidity of 78%, ranging from 72% to a maximum value of 85% at about 1 am. The wind will be breezy, and will get up to 11 mph at 2 am, blowing from the north-west. The cloud coverage will range from 16% around 9 pm to as high as 100% around 5 pm with an average of 81%.

There is no probability for any precipitation throughout the day. The dew point will range from -4°F up to a maximum value of 29°F around 12 am.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be very high with average pressure of 1027 hPa. Sunrise will be at 7:35 am, and sunset at 5:16 pm, making it a total of 9 hours and 41 minutes of daylight.

Air quality forecast for St. Catharines, on Thursday, January 20th:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 20 and 36.

Pollen forecast for St. Catharines, on Thursday, January 20th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have very low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

The weather in St. Catharines on Friday, January 21st, is going to be clear for most of the day.

Also, there's a high chance of cloud overcast before dawn, around 12 am.

Weather information for St. Catharines, on Friday, January 21st:

The maximum temperature during the day will be 14°F around 3 pm. The day will have very high relative humidity, with average humidity of 71%, ranging from 50% to a maximum value of 82% at about 8 am. The wind will be light, and will get up to 8 mph at 9 pm, blowing from the east. The cloud coverage will range from 0% around 8 am to as high as 100% around 6 am with an average of 30%.

There is no probability for any precipitation throughout the day. The dew point will range from -9°F up to a maximum value of 0°F around 4 pm.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be very high with average pressure of 1036 hPa. Sunrise will be at 7:33 am, and sunset at 5:20 pm. The day will have 9 hours and 46 minutes of daylight.

Air quality forecast for St. Catharines, on Friday, January 21st:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 29 and 36.

Pollen forecast for St. Catharines, on Friday, January 21st:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have very low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Full Details

Air quality

AQI69
0100200300400500
Air quality index:Moderate

Pollen index

Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Upcoming days

Full Details
Thu
20
-3°17°
Fri
21
-11°14°
Sat
22
-14°18°
Sun
23
13°26°
Mon
24
27°
Tue
25
27°35°

FAQ

How warm does it get in St. Catharines?
The average annual highest temperature in St. Catharines is 26.1°C (79.0°F), and the July 18th is the hottest day on average.
How cold does it get in St. Catharines?
The average annual lowest temperature in St. Catharines is -8.3°C (17.1°F), and the January 31st is the coldest day on average.
Which month has the most rain in St. Catharines?
The wettest months in St. Catharines are October and April.
What months does it snow in St. Catharines?
The most common time of year for snow is February, January, December and March.

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