Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 28°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 3rd June 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 Wednesday 3rd June 2026

Expect clear skies in Hamilton, Ontario with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Clear skies
    clear skies
  • 15 hours of bright sunshine15
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 5 kph from the West5
    kph wind from W

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Hamilton weather for Thursday 4th June 2026

Expect scattered clouds in Hamilton, Ontario with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 9 kph from the South-West9
    kph wind from SW

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Hamilton weather for Friday 5th June 2026

Expect scattered clouds in Hamilton, Ontario with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 12 kph from the South-West12
    kph wind from SW

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Hamilton weather for Saturday 6th June 2026

Expect mostly cloudy with rain in Hamilton, Ontario with a maximum temperature of 24°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a light breeze of 10 kph from the south-west.

  • 24°C maximum temperature24
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 85% chance of some rain85
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Light breeze of 10 kph from the South-West10
    kph wind from SW

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Hamilton weather for Sunday 7th June 2026

Expect sunshine and showers in Hamilton, Ontario with a maximum temperature of 23°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and little or no wind of 6 kph from the north-east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 54% chance of some rain54
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 6 kph from the North-East6
    kph wind from NE

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