Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be -8°C. Select a day from the live weather forecast for Hamilton, Ontario, Canada for more weather parameters.

5-day weather forecast updated at 04:01 on Sunday 14th 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 Sunday 14th December 2025

Expect scattered clouds in Hamilton, Ontario with a maximum temperature of -8°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 10 kph from the west.

  • -8°C maximum temperature-8
    °C maximum temperature
  • -13°C minimum temperature-13
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -12°C wind chill-12
    °C wind chill
  • Light breeze of 10 kph from the West10
    kph wind from W

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Hamilton weather for Monday 15th December 2025

Expect mostly cloudy with light snow in Hamilton, Ontario with a maximum temperature of -5°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 87% chance of some snow and a gentle breeze of 14 kph from the south-west.

  • -5°C maximum temperature-5
    °C maximum temperature
  • -10°C minimum temperature-10
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 87% chance of some snow87
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -11°C wind chill-11
    °C wind chill
  • Gentle breeze of 14 kph from the South-West14
    kph wind from SW

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Hamilton weather for Tuesday 16th December 2025

Expect broken clouds in Hamilton, Ontario with a maximum temperature of 0°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 16 kph from the south-west.

  • 0°C maximum temperature0
    °C maximum temperature
  • -10°C minimum temperature-10
    °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 cm of snow expected0
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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Hamilton weather for Wednesday 17th December 2025

Expect broken clouds in Hamilton, Ontario with a maximum temperature of 2°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -4°C minimum temperature-4
    °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 18 kph from the South-West18
    kph wind from SW

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Hamilton weather for Thursday 18th December 2025

Expect overcast with light rain in Hamilton, Ontario with a maximum temperature of 7°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 89% chance of some rain and a gentle breeze of 16 kph from the south.

  • 7°C maximum temperature7
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 89% chance of some rain89
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 3°C wind chill3
    °C wind chill
  • Gentle breeze of 16 kph from the South16
    kph wind from S

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