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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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Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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4 PM

72°

RealFeel® 71°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

52%

Showers

RealFeel Shade™71°

WindNW 7 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts10 mph

Humidity71%

Indoor Humidity71% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility6 mi

Cloud Ceiling7000 ft

5 PM

71°

RealFeel® 67°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

56%

Showers

RealFeel Shade™67°

WindWNW 6 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts10 mph

Humidity78%

Indoor Humidity78% (Humid)

Dew Point63° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Rain0.02 in

Visibility6 mi

Cloud Ceiling3900 ft

6 PM

71°

RealFeel® 71°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

49%

Mostly cloudy

RealFeel Shade™71°

WindWNW 6 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts6 mph

Humidity76%

Indoor Humidity76% (Humid)

Dew Point63° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling7000 ft

7 PM

70°

RealFeel® 69°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

33%

Mostly cloudy

RealFeel Shade™69°

WindWNW 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts6 mph

Humidity80%

Indoor Humidity80% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover82%

Visibility10 mi

Cloud Ceiling3900 ft

8 PM

67°

RealFeel® 65°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

3%

Mostly cloudy

WindNNW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity82%

Indoor Humidity79% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover81%

Visibility10 mi

Cloud Ceiling7100 ft

9 PM

65°

RealFeel® 63°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

3%

Mostly cloudy

WindNNW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity85%

Indoor Humidity77% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover83%

Visibility10 mi

Cloud Ceiling7100 ft

10 PM

65°

RealFeel® 63°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

3%

Mostly cloudy

WindNNW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity82%

Indoor Humidity74% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling7100 ft

11 PM

66°

RealFeel® 63°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

3%

Intermittent clouds

WindNNW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity78%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover73%

Visibility10 mi

Cloud Ceiling7100 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 72° with a RealFeel® of 71°, showers with a 52% 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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