Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 23°F. 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 Monday 15th 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 Monday 15th December 2025

Expect mostly cloudy with light snow in Hamilton, Ontario with a maximum temperature of 23°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 69% chance of some snow and a light breeze of 7 mph from the south-west.

  • 23°F maximum temperature23
    °F maximum temperature
  • 12°F minimum temperature12
    °F minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 69% chance of some snow69
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 14°F wind chill14
    °F wind chill
  • Light breeze of 7 mph from the South-West7
    mph 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 32°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 10 mph from the south-west.

  • 32°F maximum temperature32
    °F maximum temperature
  • 16°F minimum temperature16
    °F 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
  • 25°F wind chill25
    °F wind chill
  • Gentle breeze of 10 mph from the South-West10
    mph wind from SW

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Hamilton weather for Wednesday 17th December 2025

Expect overcast skies in Hamilton, Ontario with a maximum temperature of 37°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-west.

  • 37°F maximum temperature37
    °F maximum temperature
  • 28°F minimum temperature28
    °F minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 30°F wind chill30
    °F wind chill
  • Gentle breeze of 11 mph from the South-West11
    mph wind from SW

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Hamilton weather for Thursday 18th December 2025

Expect mostly cloudy with light rain in Hamilton, Ontario with a maximum temperature of 45°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 9 mph from the south.

  • 45°F maximum temperature45
    °F maximum temperature
  • 30°F minimum temperature30
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 85% chance of some rain85
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 39°F wind chill39
    °F wind chill
  • Gentle breeze of 9 mph from the South9
    mph wind from S

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Hamilton weather for Friday 19th December 2025

Expect overcast skies in Hamilton, Ontario with a maximum temperature of 34°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the west.

  • 34°F maximum temperature34
    °F maximum temperature
  • 16°F minimum temperature16
    °F minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 25°F wind chill25
    °F wind chill
  • Gentle breeze of 10 mph from the West10
    mph wind from W

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