Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 25°C. Select a day from the live weather forecast for Hamilton, Ontario, Canada for more weather parameters.

Wednesday
27th May
25

14

9

7
Thursday
28th May
19

11

8

6
Friday
29th May
23

9

11

8
Saturday
30th May
18

10

10

4
Sunday
31st May
21

8

6

7

5-day weather forecast updated at 04:01 on Wednesday 27th May 2026 GMT

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The 5-day weather forecast for Ontario (Hamilton) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Hamilton weather forecast by day

Below are the detailed weather forecasts for Hamilton for the next 5 days.

Hamilton weather for Wednesday 27th May 2026

Expect scattered clouds in Hamilton, Ontario with a maximum temperature of 25°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

25
°C maximum temperature
14
°C minimum temperature
scattered clouds
9
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
25
°C wind chill
7
kph wind from N

Hamilton weather for Thursday 28th May 2026

Expect scattered clouds in Hamilton, Ontario with a maximum temperature of 19°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

19
°C maximum temperature
11
°C minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from N

Hamilton weather for Friday 29th May 2026

Expect scattered clouds in Hamilton, Ontario with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

23
°C maximum temperature
9
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from W

Hamilton weather for Saturday 30th May 2026

Expect scattered clouds in Hamilton, Ontario with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

18
°C maximum temperature
10
°C minimum temperature
scattered clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
9
kph wind from N

Hamilton weather for Sunday 31st May 2026

Expect broken clouds in Hamilton, Ontario with a maximum temperature of 21°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

21
°C maximum temperature
8
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
21
°C wind chill
8
kph wind from NW

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Ontario - quick facts
Flight time^✝	8 hours
Time difference	UK -5 to -6 hours
Language(s)	English, French
Currency	Canadian Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes