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 Wednesday 17th December 2025 GMT

More about Hamilton

Hamilton by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ontario

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 17th 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 gentle breeze of 18 kph from the south-west.

  • 3°C maximum temperature3
    °C maximum temperature
  • -1°C minimum temperature-1
    °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
  • -1°C wind chill-1
    °C wind chill
  • Gentle breeze of 18 kph from the South-West18
    kph wind from SW

Back to top

Hamilton weather for Thursday 18th December 2025

Expect mostly cloudy with rain in Hamilton, Ontario with a maximum temperature of 8°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a light breeze of 12 kph from the south.

  • 8°C maximum temperature8
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 78% chance of some rain78
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Light breeze of 12 kph from the South12
    kph wind from S

Back to top

Hamilton weather for Friday 19th December 2025

Expect mostly cloudy with light snow in Hamilton, Ontario with a maximum temperature of 7°C and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 45% chance of some snow and a gentle breeze of 18 kph from the west.

  • 7°C maximum temperature7
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 45% chance of some snow45
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 3°C wind chill3
    °C wind chill
  • Gentle breeze of 18 kph from the West18
    kph wind from W

Back to top

Hamilton weather for Saturday 20th 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 13 kph from the south-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -6°C minimum temperature-6
    °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 South-West13
    kph wind from SW

Back to top

Hamilton weather for Sunday 21st December 2025

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

  • -1°C maximum temperature-1
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Broken clouds
    broken 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
  • -5°C wind chill-5
    °C wind chill
  • Gentle breeze of 13 kph from the West13
    kph wind from W

Back to top

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

Back to top

More about Ontario

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^