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WeatherLive › Ontario › Grimsby

Grimsby, ON Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherGrimsby · 4:18 AM EDT
64° | 53°
55°F
Feels like 49°
Mostly cloudy
WindE 9 mph · Gusts 18 mph
Precip15% · –
Humidity68% · Dew point 45°
UV index4 Moderate
Air Quality27 Good
Pressure30.33 inHg
Visibility6 mi
Sunrise / Sunset7:26 AM · 6:44 PM · 11h 18m

Weather map — Grimsby

Full radar →
Now
55°
18%
9 mph
05:00
55°
19%
11 mph
06:00
54°
18%
11 mph
07:00
53°
20%
10 mph
08:00
53°
20%
11 mph
09:00
54°
18%
12 mph
10:00
55°
17%
13 mph
11:00
57°
15%
12 mph
12:00
59°
14%
11 mph
13:00
61°
14%
13 mph
14:00
62°
14%
13 mph
15:00
62°
15%
14 mph
16:00
62°
16%
15 mph
17:00
62°
19%
14 mph
18:00
62°
21%
14 mph
19:00
63°
19%
10 mph
20:00
64°
17%
6 mph
21:00
63°
16%
6 mph
22:00
62°
17%
8 mph
23:00
61°
17%
7 mph
00:00
61°
17%
6 mph
01:00
60°
15%
6 mph
02:00
59°
9%
6 mph
03:00
59°
18%
5 mph

Today · Sat 10/10

High 64°
15% / –

Mostly cloudy. Winds NE at 15 mph.

Overnight · Sat 10/10

Low 53°
— / –

Mostly cloudy.

Tomorrow · Sun 10/11

61° | 57°
87% / 0.37 in

Drizzle. Winds E at 14 mph.

7-day trend

Grimsby · temperature + precipitation

10-day forecast

Updated 4:18 AM

Details & indices

Wind
9 mph E
Gusts 18 mph
Humidity
68%
Dew point 45°
Pressure
30.33 inHg
Rising
UV index
4 — Moderate
High today
Air Quality
Good
AQI 27 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — Grimsby

🌿 Conditions right now

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Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise7:26 AM
Sunset6:44 PM
Length of day11h 18m
Moonrise7:27 AM
Moonset6:25 PM
Moon phase🌑 New Moon · 0%
Next full moonOct 26 Hunter's Moon
Latitude43.2001°N
Longitude-79.5663°E

Water temps nearby

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No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Great
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in Ontario
Toronto
Partly cloudy
50°
Ottawa
Sunny
35°
Mississauga
Mostly cloudy
49°
Brampton
Partly cloudy
44°
Hamilton
Mostly cloudy
53°
London
Mostly cloudy
47°
NBM + global weather models
Updated: 4:18 AM
Grimsby, ON · Elev 289 ft · 43.20°N, 79.57°W · Ontario · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 4:18 AM