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.

  • Tuesday
    23rd Dec
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Wednesday
    24th Dec
    Broken clouds
  • Thursday
    25th Dec
    Broken clouds
  • Friday
    26th Dec
    Cloudy with some snow (10-20 cm of snow expected)
  • Saturday
    27th Dec
    Mostly cloudy with light rain (2-5 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Tuesday 23rd 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 Tuesday 23rd December 2025

Expect mostly cloudy with light rain in Hamilton, Ontario with a maximum temperature of 4°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a gentle breeze of 13 kph from the west.

  • 4°C maximum temperature4
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 51% chance of some rain51
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 1°C wind chill1
    °C wind chill
  • Gentle breeze of 13 kph from the West13
    kph wind from W

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Hamilton weather for Wednesday 24th December 2025

Expect broken clouds in Hamilton, Ontario with a maximum temperature of 1°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -2°C wind chill-2
    °C wind chill
  • Gentle breeze of 13 kph from the North-West13
    kph wind from NW

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Hamilton weather for Thursday 25th December 2025

Expect broken clouds in Hamilton, Ontario with a maximum temperature of 3°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

  • 3°C maximum temperature3
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 0°C wind chill0
    °C wind chill
  • Light breeze of 9 kph from the North9
    kph wind from N

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Hamilton weather for Friday 26th December 2025

Expect cloudy with some snow in Hamilton, Ontario with a maximum temperature of -1°C and no hours of bright sunshine. There are 10-20 cm of snow expected with 85% chance of some snow and a gentle breeze of 13 kph from the east.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Cloudy with some snow
    cloudy with some snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 85% chance of some snow85
    % chance of some snow
  • 10-20 cm of snow expected<20
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Gentle breeze of 13 kph from the East13
    kph wind from E

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Hamilton weather for Saturday 27th December 2025

Expect mostly cloudy with light rain in Hamilton, Ontario with a maximum temperature of 1°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 33% chance of some rain and little or no wind of 6 kph from the east.

  • 1°C maximum temperature1
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 33% chance of some rain33
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 0°C wind chill0
    °C wind chill
  • Little or no wind of 6 kph from the East6
    kph wind from E

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

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