Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be -4°C. Select a day from the live weather forecast for Hamilton, Ontario, Canada for more weather parameters.

Wednesday
31st Dec
-4

-9

0

1
Thursday
1st Jan
-8

-12

3

1
Friday
2nd Jan
-5

-10

2

1
Saturday
3rd Jan
-5

-9

7

1
Sunday
4th Jan
-4

-9

1

1

5-day weather forecast updated at 04:01 on Tuesday 30th December 2025 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 31st December 2025

Expect overcast skies in Hamilton, Ontario with a maximum temperature of -4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 12 kph from the west.

-4
°C maximum temperature
-9
°C minimum temperature
overcast skies
0
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-9
°C wind chill
12
kph wind from W

Hamilton weather for Thursday 1st January 2026

Expect broken clouds in Hamilton, Ontario with a maximum temperature of -8°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 13 kph from the west.

-8
°C maximum temperature
-12
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-13
°C wind chill
13
kph wind from W

Hamilton weather for Friday 2nd January 2026

Expect broken clouds in Hamilton, Ontario with a maximum temperature of -5°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 13 kph from the west.

-5
°C maximum temperature
-10
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-10
°C wind chill
13
kph wind from W

Hamilton weather for Saturday 3rd January 2026

Expect broken clouds in Hamilton, Ontario with a maximum temperature of -5°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 7 kph from the west.

-5
°C maximum temperature
-9
°C minimum temperature
broken clouds
7
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-8
°C wind chill
7
kph wind from W

Hamilton weather for Sunday 4th January 2026

Expect broken clouds in Hamilton, Ontario with a maximum temperature of -4°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and little or no wind of 4 kph from the west.

-4
°C maximum temperature
-9
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
cm of snow expected
-6
°C wind chill
4
kph wind from W

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Metric (°C / mm) | Imperial (°F / inches)

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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