Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 3°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 Saturday 27th 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 28th December 2025

Expect mostly cloudy with rain in Hamilton, Ontario with a maximum temperature of 3°C and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 100% chance of some rain and little or no wind of 5 kph from the east.

  • 3°C maximum temperature3
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 100% chance of some rain100
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Little or no wind of 5 kph from the East5
    kph wind from E

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Hamilton weather for Monday 29th December 2025

Expect cloudy with sleet or snow in Hamilton, Ontario with a maximum temperature of 7°C and no hours of bright sunshine. There are 20-30 mm of sleet/snow expected with 55% chance of some sleet or snow and a moderate breeze of 23 kph from the west.

  • 7°C maximum temperature7
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 55% chance of some sleet or snow55
    % chance of some sleet or snow
  • 20-30 mm of sleet/snow expected<30
    mm of sleet/snow expected
  • 3°C wind chill3
    °C wind chill
  • Moderate breeze of 23 kph from the West23
    kph wind from W

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Hamilton weather for Tuesday 30th December 2025

Expect overcast with light snow in Hamilton, Ontario with a maximum temperature of -4°C and no hours of bright sunshine. There are 0-2 cm of snow expected with 41% chance of some snow and a gentle breeze of 18 kph from the west.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Overcast with light snow
    overcast with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 41% chance of some snow41
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -10°C wind chill-10
    °C wind chill
  • Gentle breeze of 18 kph from the West18
    kph wind from W

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Hamilton weather for Wednesday 31st December 2025

Expect mostly cloudy with light snow in Hamilton, Ontario with a maximum temperature of -3°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 60% chance of some snow and a gentle breeze of 14 kph from the west.

  • -3°C maximum temperature-3
    °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)
  • 60% chance of some snow60
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -8°C wind chill-8
    °C wind chill
  • Gentle breeze of 14 kph from the West14
    kph wind from W

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Hamilton weather for Thursday 1st January 2026

Expect mostly cloudy with light snow in Hamilton, Ontario with a maximum temperature of -9°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 47% chance of some snow and a gentle breeze of 13 kph from the west.

  • -9°C maximum temperature-9
    °C maximum temperature
  • -11°C minimum temperature-11
    °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)
  • 47% chance of some snow47
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -15°C wind chill-15
    °C wind chill
  • Gentle breeze of 13 kph from the West13
    kph wind from W

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

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