Grimsby — Weather

Live · Clear within 100 km Just updated

16°C 60°F · Clear · 22% cloud cover

Feels like 15°C58°F · Low 14°C57°F · High 23°C74°F

Wind

4 km/h3 mph from SW

Humidity

69%

Pressure

1023 hPa30.20 inHg stable

UV Index

0.0 Low(night)

Fair weather

Currently 16°C and partly cloudy in Grimsby.

🔥 Running 5.8°C markedly warmer than the June norm (18°C), today tops out at 24°C.

⚡ Isolated thunderstorm on Saturday, with rain. Total ~1.0 mm. Below the monthly normal (77 mm/month).

Hourly forecast

Detailed forecast for the next 60 hours

Temperature Precipitation Wind

Now

16°C 60°F

4 3

69

03:00

15°C 59°F

5 3

75

04:00

14°C 58°F

6 4

77

05:00

14°C 58°F

7 4

76

06:00

14°C 57°F

7 5

74

07:00

14°C 58°F

8 5

74

08:00

16°C 60°F

8 5

68

09:00

17°C 63°F

9 5

63

10:00

19°C 66°F

10 6

59

11:00

20°C 69°F

13 8

56

12:00

22°C 71°F

14 9

54

13:00

23°C 73°F

16 10

52

14:00

23°C 74°F

17 11

51

15:00

23°C 74°F

19 12

50

16:00

23°C 74°F

20 13

50

17:00

23°C 74°F

21 13

49

18:00

23°C 74°F

21 13

50

19:00

23°C 74°F

21 13

49

20:00

22°C 72°F

20 13

49

21:00

21°C 70°F

17 11

50

22:00

20°C 68°F

14 9

52

23:00

19°C 67°F

12 7

55

00:00

19°C 66°F

11 7

58

01:00

18°C 65°F

10 6

57

02:00

18°C 64°F

9 5

57

03:00

18°C 64°F

9 6

60

04:00

18°C 64°F

10 6

63

05:00

18°C 64°F

9 6

65

06:00

17°C 63°F

10 6

68

07:00

18°C 64°F

10 6

71

08:00

18°C 65°F

10 6

72

09:00

19°C 67°F

11 7

72

10:00

21°C 70°F

14 8

70

11:00

23°C 73°F

14 9

67

12:00

24°C 75°F

16 10

61

13:00

25°C 77°F

18 11

52

14:00

26°C 78°F

20 12

47

15:00

26°C 78°F

24 15

47

16:00

25°C 78°F

27 17

45

17:00

25°C 77°F

27 17

44

18:00

25°C 76°F

23 14

47

19:00

24°C 76°F

23 14

48

20:00

24°C 75°F

19 12

46

21:00

23°C 73°F

17 10

51

22:00

22°C 72°F

15 9

53

23:00

21°C 70°F

15 9

59

00:00

21°C 69°F

14 9

63

03:00

20°C 68°F

18 11

66

06:00

19°C 66°F

28 17

81

09:00

20°C 69°F

27 17

81

12:00

22°C 71°F

24 15

71

mmin km/hmph Humidity %

Daily Forecast

Today

Jun 4 · Overcast

SW 21 km/h 13 mph (3220) 59% UV 3

14°C 57°F

23°C 74°F

Today

Jun 4

Overcast

59%

SW 21 km/h 13 mph

14°C 57°F

23°C 74°F

Tomorrow

Jun 5 · Overcast

SW 27 km/h 17 mph (4327) 57% UV 3

17°C 63°F

26°C 78°F

Tomorrow

Jun 5

Overcast

57%

SW 27 km/h 17 mph

17°C 63°F

26°C 78°F

Saturday

Jun 6 · Drizzle

1.0 mm 0.04 in W 28 km/h 17 mph (4528) 70% UV 2

19°C 66°F

23°C 74°F

Saturday

Jun 6

Drizzle

70%

W 28 km/h 17 mph

1.0 mm 0.04 in

19°C 66°F

23°C 74°F

Sunday

Jun 7 · Drizzle

N 15 km/h 10 mph 83% UV 3

15°C 60°F

21°C 69°F

Sunday

Jun 7

Drizzle

83%

N 15 km/h 10 mph

15°C 60°F

21°C 69°F

Monday

Jun 8 · Clear

NE 24 km/h 15 mph (4025) 82% UV 3

12°C 54°F

17°C 63°F

Monday

Jun 8

Clear

82%

NE 24 km/h 15 mph

12°C 54°F

17°C 63°F

Tuesday

Jun 9 · Overcast

NE 11 km/h 7 mph (1811) 78% UV 3

14°C 57°F

17°C 63°F

Tuesday

Jun 9

Overcast

78%

NE 11 km/h 7 mph

14°C 57°F

17°C 63°F

Wednesday

Jun 10 · Overcast

SE 15 km/h 9 mph (2515) 71% UV 3

15°C 59°F

25°C 76°F

Wednesday

Jun 10

Overcast

71%

SE 15 km/h 9 mph

15°C 59°F

25°C 76°F

Thursday

Jun 11 · Overcast

E 11 km/h 7 mph (1811) 73% UV 3

18°C 64°F

22°C 71°F

Thursday

Jun 11

Overcast

73%

E 11 km/h 7 mph

18°C 64°F

22°C 71°F

Extended Forecast (GFS)

Friday

Jun 12 · Clear

N 13 km/h 8 mph 72%

17°C 62°F

24°C 75°F

Friday

Jun 12

Clear

72%

N 13 km/h 8 mph

17°C 62°F

24°C 75°F

Saturday

Jun 13 · Clear

NE 19 km/h 12 mph (3723) 66%

14°C 57°F

20°C 69°F

Saturday

Jun 13

Clear

66%

NE 19 km/h 12 mph

14°C 57°F

20°C 69°F

Sunday

Jun 14 · Overcast

NE 28 km/h 17 mph 64%

13°C 56°F

18°C 64°F

Sunday

Jun 14

Overcast

64%

NE 28 km/h 17 mph

13°C 56°F

18°C 64°F

Monday

Jun 15 · Clear

NE 11 km/h 7 mph 63%

12°C 54°F

20°C 68°F

Monday

Jun 15

Clear

63%

NE 11 km/h 7 mph

12°C 54°F

20°C 68°F

Tuesday

Jun 16 · Clear

E 12 km/h 7 mph 66%

15°C 60°F

22°C 71°F

Tuesday

Jun 16

Clear

66%

E 12 km/h 7 mph

15°C 60°F

22°C 71°F

Wednesday

Jun 17 · Clear

SW 16 km/h 10 mph 71%

15°C 59°F

25°C 78°F

Wednesday

Jun 17

Clear

71%

SW 16 km/h 10 mph

15°C 59°F

25°C 78°F

Thursday

Jun 18 · Clear

SW 17 km/h 10 mph (2616) 71%

17°C 63°F

27°C 80°F

Thursday

Jun 18

Clear

71%

SW 17 km/h 10 mph

17°C 63°F

27°C 80°F

Friday

Jun 19 · Clear

W 13 km/h 8 mph 71%

19°C 66°F

28°C 82°F

Friday

Jun 19

Clear

71%

W 13 km/h 8 mph

19°C 66°F

28°C 82°F

Civil Dawn 05:09 AM

Civil Dusk 09:23 PM

Today vs. seasonal normal

High 22.4°C72°F · Low 12.9°C55°F · Normal for this month

Grimsby is located in Ontario, Canada. Elevation: 91m. Annual average temperature: 9°C. Annual precipitation: 859mm.

Clouds Last updated 02:00 AM

Clouds weather map

Precipitation Last updated 02:00 AM

Precipitation weather map

Temperature Last updated 02:00 AM

Temperature weather map

Frequently Asked Questions

What is the weather like in Grimsby today?

Today in Grimsby, Canada, the temperature is 16°C with Clear. The high is 23°C and the low is 14°C.

What is the 16-day forecast for Grimsby?

The 16-day forecast for Grimsby shows the warmest day is Friday at 28°C, while the coolest night is Monday at 12°C. 1 day(s) have precipitation expected.

What time is sunrise and sunset in Grimsby?

In Grimsby, sunrise is at 11:39 AM and sunset is at 02:53 AM. Day length is approximately 15h 13m.

How accurate is the weather forecast for Grimsby?

Our forecasts for Grimsby use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Grimsby has an annual average temperature of 9°C and receives 859mm of precipitation per year.

Last updated: 06/04/2026, 02:00 AM

June climate in Grimsby

Normals for June: average 18°C (13–22°C), around 77 mm of rain across the month. About 9°C warmer than the annual average of 9°C.

Nearby places right now

Grimsby Beach 16°

Grimsby-on-the-Lake 15°

Clear -1° 3.9 km

Grimsby Centre 15°

Clear -1° 5.3 km

Clear -1° 6.1 km

Beamsville 16°

Smithville 16°

Clear +3° 9.7 km

Clear +3° 11 km

Clear -1° 12 km

Caistor Centre 14°

Clear -2° 16 km

Clear -1° 18 km

Weather in Canada

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