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
    17th Mar
    Mostly cloudy with light snow (0-2 cm of snow expected)
  • Wednesday
    18th Mar
    Mostly cloudy with light snow (0-2 cm of snow expected)
  • Thursday
    19th Mar
    Mostly cloudy with light snow (0-2 cm of snow expected)
  • Friday
    20th Mar
    Overcast with light rain (2-5 mm of rainfall expected)
  • Saturday
    21st Mar
    Mostly cloudy with light rain (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Tuesday 17th March 2026 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 17th March 2026

Expect mostly cloudy with light snow in Hamilton, Ontario with a maximum temperature of -4°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 6% chance of some snow and a moderate breeze of 20 kph from the west.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 6% chance of some snow6
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -11°C wind chill-11
    °C wind chill
  • Moderate breeze of 20 kph from the West20
    kph wind from W

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Hamilton weather for Wednesday 18th March 2026

Expect mostly cloudy with light snow in Hamilton, Ontario with a maximum temperature of 1°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 35% chance of some snow and a light breeze of 9 kph from the south.

  • 1°C maximum temperature1
    °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
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 35% chance of some snow35
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -2°C wind chill-2
    °C wind chill
  • Light breeze of 9 kph from the South9
    kph wind from S

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Hamilton weather for Thursday 19th March 2026

Expect mostly cloudy with light snow in Hamilton, Ontario with a maximum temperature of 5°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 31% chance of some snow and a light breeze of 7 kph from the south-west.

  • 5°C maximum temperature5
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 31% chance of some snow31
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 3°C wind chill3
    °C wind chill
  • Light breeze of 7 kph from the South-West7
    kph wind from SW

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Hamilton weather for Friday 20th March 2026

Expect overcast with light rain in Hamilton, Ontario with a maximum temperature of 4°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and little or no wind of 5 kph from the south-west.

  • 4°C maximum temperature4
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 58% chance of some rain58
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 3°C wind chill3
    °C wind chill
  • Little or no wind of 5 kph from the South-West5
    kph wind from SW

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Hamilton weather for Saturday 21st March 2026

Expect mostly cloudy with light rain in Hamilton, Ontario with a maximum temperature of 4°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and little or no wind of 5 kph from the north-east.

  • 4°C maximum temperature4
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 31% chance of some rain31
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 3°C wind chill3
    °C wind chill
  • Little or no wind of 5 kph from the North-East5
    kph wind from NE

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  • Book selected stays in popular destinations around the world
  • Travel before 31st December 2026 (inclusive)
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Metric (°C / mm)  |  Imperial (°F / inches)

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