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Grimsby, Ontario

58°F
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Grimsby

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58°
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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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6 AM

58°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 46%
Chevron down
Thunderstorms

WindS 9 mph

Air QualityFair

Wind Gusts22 mph

Humidity82%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility3 mi

Cloud Ceiling2000 ft

7 AM

57°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 45%
Chevron down
Cloudy

RealFeel Shade™54°

WindSSW 9 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts24 mph

Humidity87%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2000 ft

8 AM

58°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 74%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™50°

WindSSW 12 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts20 mph

Humidity86%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.13 in

Visibility4 mi

Cloud Ceiling2000 ft

9 AM

59°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 74%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™49°

WindSSW 15 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts24 mph

Humidity88%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.13 in

Visibility4 mi

Cloud Ceiling2000 ft

10 AM

61°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds

RealFeel Shade™54°

WindSSW 20 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts29 mph

Humidity84%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling18700 ft

11 AM

62°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™55°

WindSSW 22 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts33 mph

Humidity82%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling18700 ft

12 PM

64°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™58°

WindSSW 22 mph

Air QualityFair

Max UV Index4.1 (Moderate)

Wind Gusts33 mph

Humidity79%

Indoor Humidity68% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling18700 ft

1 PM

66°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Intermittent clouds

RealFeel Shade™61°

WindSW 21 mph

Air QualityFair

Max UV Index4.5 (Moderate)

Wind Gusts33 mph

Humidity76%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling18700 ft

2 PM

67°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 61%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™59°

WindSW 22 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts37 mph

Humidity75%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.06 in

Visibility5 mi

Cloud Ceiling4000 ft

3 PM

68°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Intermittent clouds

RealFeel Shade™63°

WindSW 20 mph

Air QualityFair

Max UV Index4.0 (Moderate)

Wind Gusts35 mph

Humidity75%

Indoor Humidity74% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

68°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 61%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™61°

WindSW 18 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts31 mph

Humidity79%

Indoor Humidity79% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.06 in

Visibility5 mi

Cloud Ceiling4000 ft

5 PM

70°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Intermittent clouds

RealFeel Shade™66°

WindSW 16 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts28 mph

Humidity75%

Indoor Humidity75% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

68°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™65°

WindSW 14 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts27 mph

Humidity80%

Indoor Humidity80% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

67°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 39%
Chevron down
Intermittent clouds

RealFeel Shade™64°

WindSW 12 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts22 mph

Humidity81%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover50%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

66°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™62°

WindSW 15 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts29 mph

Humidity81%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

63°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 73%
Chevron down
Thunderstorms

WindSW 15 mph

Air QualityFair

Wind Gusts27 mph

Humidity85%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Rain0.06 in

Visibility5 mi

Cloud Ceiling4000 ft

10 PM

61°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 73%
Chevron down
Thunderstorms

WindSSW 15 mph

Air QualityFair

Wind Gusts28 mph

Humidity87%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Rain0.06 in

Visibility5 mi

Cloud Ceiling4000 ft

11 PM

58°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindS 15 mph

Air QualityFair

Wind Gusts29 mph

Humidity89%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° 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 58° with a RealFeel® of 52°, thunderstorms with a 46% 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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Weather Near Grimsby:

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