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Grimsby, Ontario

47°F
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Grimsby

Ontario

47°
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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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2 AM

45°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindS 9 mph

Air QualityFair

Wind Gusts17 mph

Humidity60%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover29%

Visibility10 mi

Cloud Ceiling31000 ft

3 AM

44°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindS 9 mph

Air QualityFair

Wind Gusts17 mph

Humidity69%

Indoor Humidity43% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

43°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindS 9 mph

Air QualityFair

Wind Gusts17 mph

Humidity80%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

43°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSW 8 mph

Air QualityFair

Wind Gusts17 mph

Humidity89%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

44°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSW 8 mph

Air QualityFair

Wind Gusts16 mph

Humidity90%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

44°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 3%
Chevron down
Mostly sunny

RealFeel Shade™40°

WindSSW 9 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts16 mph

Humidity94%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

47°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Sunny

RealFeel Shade™41°

WindSSW 9 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts16 mph

Humidity92%

Indoor Humidity43% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

50°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Mostly sunny

RealFeel Shade™45°

WindSSW 9 mph

Air QualityFair

Max UV Index3.0 (Moderate)

Wind Gusts17 mph

Humidity87%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover22%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

53°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Intermittent clouds

RealFeel Shade™48°

WindSSW 10 mph

Air QualityFair

Max UV Index3.7 (Moderate)

Wind Gusts20 mph

Humidity83%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

55°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 5%
Chevron down
Intermittent clouds

RealFeel Shade™50°

WindSSW 10 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts22 mph

Humidity78%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover62%

Visibility10 mi

Cloud Ceiling1600 ft

12 PM

58°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 5%
Chevron down
Mostly cloudy

RealFeel Shade™53°

WindSSW 12 mph

Air QualityFair

Max UV Index6.2 (High)

Wind Gusts22 mph

Humidity72%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover75%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

60°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 8%
Chevron down
Mostly cloudy

RealFeel Shade™54°

WindSSW 14 mph

Air QualityFair

Max UV Index5.4 (Moderate)

Wind Gusts22 mph

Humidity69%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling29600 ft

2 PM

59°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 64%
Chevron down
Thunderstorms

RealFeel Shade™51°

WindSSW 15 mph

Air QualityPoor

Max UV Index1.6 (Low)

Wind Gusts23 mph

Humidity75%

Indoor Humidity55% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

3 PM

62°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™56°

WindSSW 16 mph

Air QualityPoor

Max UV Index1.5 (Low)

Wind Gusts23 mph

Humidity68%

Indoor Humidity54% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling4000 ft

4 PM

60°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 64%
Chevron down
Thunderstorms

RealFeel Shade™52°

WindSW 16 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts23 mph

Humidity76%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

5 PM

59°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 29%
Chevron down
Cloudy

RealFeel Shade™54°

WindSW 16 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts24 mph

Humidity74%

Indoor Humidity55% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling9700 ft

6 PM

59°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 24%
Chevron down
Cloudy

RealFeel Shade™54°

WindSW 15 mph

Air QualityPoor

Max UV Index0.7 (Low)

Wind Gusts25 mph

Humidity73%

Indoor Humidity54% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling9700 ft

7 PM

58°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 17%
Chevron down
Mostly cloudy

RealFeel Shade™53°

WindSW 13 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts28 mph

Humidity74%

Indoor Humidity52% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover84%

Visibility10 mi

Cloud Ceiling9700 ft

8 PM

56°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 4%
Chevron down
Partly sunny

RealFeel Shade™51°

WindWSW 12 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts28 mph

Humidity78%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

55°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 4%
Chevron down
Partly cloudy

WindSW 10 mph

Air QualityFair

Wind Gusts24 mph

Humidity81%

Indoor Humidity52% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

54°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 4%
Chevron down
Partly cloudy

WindSW 9 mph

Air QualityFair

Wind Gusts22 mph

Humidity84%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

53°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 4%
Chevron down
Mostly clear

WindSW 8 mph

Air QualityFair

Wind Gusts22 mph

Humidity84%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

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 45° with a RealFeel® of 38°, mostly clear 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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Weather Near Grimsby:

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