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Grimsby, 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

View hourly forecasts 10-days ahead

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3 PM

68°

RealFeel® 70°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Partly sunny

RealFeel Shade™65°

WindNE 7 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts15 mph

Humidity62%

Indoor Humidity62% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover44%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

69°

RealFeel® 70°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™67°

WindNE 7 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts15 mph

Humidity57%

Indoor Humidity57% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

68°

RealFeel® 68°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™65°

WindENE 6 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts14 mph

Humidity57%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

67°

RealFeel® 66°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™66°

WindENE 6 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts14 mph

Humidity60%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

64°

RealFeel® 63°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™63°

WindNE 6 mph

Air QualityExcellent

Max UV Index0.0 (Low)

Wind Gusts14 mph

Humidity66%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

61°

RealFeel® 59°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

0%

Cloudy

WindNNW 7 mph

Air QualityExcellent

Wind Gusts14 mph

Humidity74%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

59°

RealFeel® 57°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

0%

Cloudy

WindNNW 7 mph

Air QualityFair

Wind Gusts17 mph

Humidity81%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

59°

RealFeel® 56°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

0%

Cloudy

WindN 8 mph

Air QualityFair

Wind Gusts20 mph

Humidity82%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

59°

RealFeel® 56°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

0%

Cloudy

WindN 9 mph

Air QualityExcellent

Wind Gusts22 mph

Humidity82%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Grimsby

AccuWeather's hourly forecast for Grimsby provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 68° with a RealFeel® of 70°, partly sunny with a 0% 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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