Hamilton weather live forecast

Tomorrow's maximum temperature in Hamilton is expected to be 12°C.

  • Sunday
    4th May
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Monday
    5th May
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Tuesday
    6th May
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Wednesday
    7th May
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Thursday
    8th May
    Scattered clouds

5-day weather forecast updated at 04:01 on Sunday 4th May 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 4th May 2025

Expect mostly cloudy with light rain in Hamilton, Ontario with a maximum temperature of 12°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 19 kph from the north-east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 8°C minimum temperature8
    °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)
  • 56% chance of some rain56
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Gentle breeze of 19 kph from the North-East19
    kph wind from NE

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Hamilton weather for Monday 5th May 2025

Expect mostly cloudy with rain in Hamilton, Ontario with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 68% chance of some rain and a gentle breeze of 19 kph from the north-east.

  • 13°C maximum temperature13
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 68% chance of some rain68
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the North-East19
    kph wind from NE

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Hamilton weather for Tuesday 6th May 2025

Expect mostly cloudy with light rain in Hamilton, Ontario with a maximum temperature of 19°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a light breeze of 12 kph from the south-west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 50% chance of some rain50
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Light breeze of 12 kph from the South-West12
    kph wind from SW

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Hamilton weather for Wednesday 7th May 2025

Expect mostly cloudy with light rain in Hamilton, Ontario with a maximum temperature of 21°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 16 kph from the west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 53% chance of some rain53
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Gentle breeze of 16 kph from the West16
    kph wind from W

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Hamilton weather for Thursday 8th May 2025

Expect scattered clouds in Hamilton, Ontario with a maximum temperature of 15°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-east.

  • 15°C maximum temperature15
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Gentle breeze of 18 kph from the North-East18
    kph wind from NE

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

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