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St Catharines, Ontario

55°F
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St Catharines

Ontario

55°
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St Catharines, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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12 AM

56°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 13%
Chevron down
Cloudy

WindE 10 mph

Air QualityExcellent

Wind Gusts13 mph

Humidity57%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling12100 ft

1 AM

57°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 15%
Chevron down
Cloudy

WindE 10 mph

Air QualityExcellent

Wind Gusts12 mph

Humidity60%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9600 ft

2 AM

57°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindE 15 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity62%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling7100 ft

3 AM

57°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindE 15 mph

Air QualityExcellent

Wind Gusts21 mph

Humidity65%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling7000 ft

4 AM

57°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindE 15 mph

Air QualityExcellent

Wind Gusts21 mph

Humidity68%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling6900 ft

5 AM

57°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindE 16 mph

Air QualityExcellent

Wind Gusts21 mph

Humidity70%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling6800 ft

6 AM

57°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™50°

WindE 16 mph

Air QualityExcellent

Max UV Index0.1 (Low)

Wind Gusts22 mph

Humidity71%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling6800 ft

7 AM

57°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

RealFeel Shade™50°

WindE 16 mph

Air QualityExcellent

Max UV Index0.3 (Low)

Wind Gusts22 mph

Humidity71%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling6800 ft

8 AM

57°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 79%
Chevron down
Rain

RealFeel Shade™47°

WindESE 16 mph

Air QualityExcellent

Max UV Index0.4 (Low)

Wind Gusts20 mph

Humidity71%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

9 AM

55°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 79%
Chevron down
Rain

RealFeel Shade™46°

WindESE 14 mph

Air QualityExcellent

Max UV Index0.7 (Low)

Wind Gusts22 mph

Humidity77%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

10 AM

53°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 79%
Chevron down
Rain

RealFeel Shade™44°

WindESE 13 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts23 mph

Humidity85%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.07 in

Visibility5 mi

Cloud Ceiling3600 ft

11 AM

51°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 63%
Chevron down
Rain

RealFeel Shade™40°

WindESE 14 mph

Air QualityExcellent

Max UV Index1.2 (Low)

Wind Gusts27 mph

Humidity92%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.07 in

Visibility5 mi

Cloud Ceiling2000 ft

12 PM

51°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™42°

WindESE 15 mph

Air QualityExcellent

Max UV Index2.0 (Low)

Wind Gusts28 mph

Humidity93%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling1700 ft

1 PM

51°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™42°

WindESE 16 mph

Air QualityExcellent

Max UV Index2.2 (Low)

Wind Gusts28 mph

Humidity92%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling1400 ft

2 PM

50°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™41°

WindESE 16 mph

Air QualityExcellent

Max UV Index1.9 (Low)

Wind Gusts27 mph

Humidity93%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1100 ft

3 PM

50°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 74%
Chevron down
Rain

RealFeel Shade™38°

WindESE 16 mph

Air QualityExcellent

Max UV Index1.2 (Low)

Wind Gusts30 mph

Humidity94%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.08 in

Visibility5 mi

Cloud Ceiling1100 ft

4 PM

50°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 74%
Chevron down
Rain

RealFeel Shade™39°

WindESE 16 mph

Air QualityExcellent

Max UV Index0.8 (Low)

Wind Gusts33 mph

Humidity94%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.08 in

Visibility5 mi

Cloud Ceiling1100 ft

5 PM

50°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 74%
Chevron down
Rain

RealFeel Shade™38°

WindESE 15 mph

Air QualityExcellent

Max UV Index0.6 (Low)

Wind Gusts32 mph

Humidity94%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.08 in

Visibility5 mi

Cloud Ceiling1100 ft

6 PM

50°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 74%
Chevron down
Rain

RealFeel Shade™38°

WindESE 16 mph

Air QualityExcellent

Max UV Index0.4 (Low)

Wind Gusts31 mph

Humidity94%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.08 in

Visibility5 mi

Cloud Ceiling1100 ft

7 PM

50°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™41°

WindESE 16 mph

Air QualityExcellent

Max UV Index0.3 (Low)

Wind Gusts31 mph

Humidity93%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling1100 ft

8 PM

50°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™41°

WindESE 16 mph

Air QualityExcellent

Max UV Index0.1 (Low)

Wind Gusts29 mph

Humidity92%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1100 ft

9 PM

49°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 61%
Chevron down
Rain

WindESE 15 mph

Air QualityExcellent

Wind Gusts27 mph

Humidity94%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling1100 ft

10 PM

49°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 60%
Chevron down
Rain

WindESE 14 mph

Air QualityExcellent

Wind Gusts21 mph

Humidity95%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling1100 ft

11 PM

49°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 65%
Chevron down
Rain

WindESE 13 mph

Air QualityExcellent

Wind Gusts16 mph

Humidity95%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling1100 ft

Hourly Weather Forecast for St. Catharines

AccuWeather's hourly forecast for St. Catharines provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 56° with a RealFeel® of 51°, cloudy with a 13% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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World North America Canada Ontario St Catharines

Weather Near St Catharines:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
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