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St. Catharines, Ontario

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St. Catharines, Ontario Weather
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Winter Center

Today WinterCast

Hourly

Daily Radar MinuteCast® Monthly Air Quality Health & Activities

WinterCast

1 - 3 in

Thu, 1/1, 9:00 AM - Thu, 1/1, 7:00 PM

Snow

10 AM

17°
RealFeel® -3°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 65%
Chevron down
Flurries

RealFeel Shade™-3°

WindWNW 16 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts23 mph

Humidity62%

Indoor Humidity20% (Very Dry)

Dew Point6° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Snow0.3

Visibility3 mi

Cloud Ceiling3700 ft

11 AM

18°
RealFeel® 2°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™2°

WindW 15 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts23 mph

Humidity64%

Indoor Humidity22% (Very Dry)

Dew Point8° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling3700 ft

12 PM

19°
RealFeel® -1°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 66%
Chevron down
Flurries

RealFeel Shade™-1°

WindWSW 17 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts22 mph

Humidity66%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Snow0.3

Visibility3 mi

Cloud Ceiling3700 ft

1 PM

20°
RealFeel® -2°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 61%
Chevron down
Flurries

RealFeel Shade™-2°

WindWSW 20 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts25 mph

Humidity70%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Snow0.3

Visibility3 mi

Cloud Ceiling3700 ft

2 PM

21°
RealFeel® 1°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™1°

WindWSW 21 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts31 mph

Humidity66%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling4800 ft

3 PM

20°
RealFeel® -2°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™-2°

WindWSW 22 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts38 mph

Humidity65%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling5900 ft

4 PM

20°
RealFeel® -3°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™-3°

WindWSW 23 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts43 mph

Humidity63%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling7100 ft

5 PM

19°
RealFeel® -6°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 71%
Chevron down
Flurries

WindWSW 22 mph

Air QualityFair

Wind Gusts40 mph

Humidity66%

Indoor Humidity24% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover89%

Snow0.3

Visibility3 mi

Cloud Ceiling7000 ft

6 PM

18°
RealFeel® -6°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 71%
Chevron down
Flurries

WindWSW 21 mph

Air QualityFair

Wind Gusts38 mph

Humidity67%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover89%

Snow0.3

Visibility3 mi

Cloud Ceiling7000 ft

7 PM

18°
RealFeel® -2°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 8%
Chevron down
Cloudy

WindWSW 17 mph

Air QualityFair

Wind Gusts31 mph

Humidity68%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling7100 ft

8 PM

18°
RealFeel® -2°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 5%
Chevron down
Cloudy

WindWSW 17 mph

Air QualityFair

Wind Gusts30 mph

Humidity71%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling7100 ft

9 PM

18°
RealFeel® 0°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 5%
Chevron down
Cloudy

WindWSW 16 mph

Air QualityFair

Wind Gusts27 mph

Humidity70%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling7100 ft

10 PM

19°
RealFeel® 1°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 5%
Chevron down
Cloudy

WindWSW 16 mph

Air QualityFair

Wind Gusts24 mph

Humidity72%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling7100 ft

11 PM

19°
RealFeel® 1°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 5%
Chevron down
Mostly cloudy

WindWSW 15 mph

Air QualityFair

Wind Gusts24 mph

Humidity74%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling5900 ft

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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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Apps & Downloads
iPhone App Android App See all Apps & Downloads
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More
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