Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 30°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 Friday 31st July 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 Friday 31st July 2026

Expect scattered clouds in Hamilton, Ontario with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 4 kph from the South4
    kph wind from S

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Hamilton weather for Saturday 1st August 2026

Expect overcast skies in Hamilton, Ontario with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north-east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Overcast skies
    overcast skies
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Little or no wind of 4 kph from the North-East4
    kph wind from NE

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Hamilton weather for Sunday 2nd August 2026

Expect isolated thunderstorms in Hamilton, Ontario with a maximum temperature of 23°C, maximum UV of 6 (High) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 80% chance of some rain and little or no wind of 4 kph from the east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 80% chance of some rain80
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 4 kph from the East4
    kph wind from E

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Hamilton weather for Monday 3rd August 2026

Expect sunshine and showers in Hamilton, Ontario with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 25% chance of some rain and little or no wind of 6 kph from the north.

  • 25°C maximum temperature25
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 25% chance of some rain25
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 6 kph from the North6
    kph wind from N

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Hamilton weather for Tuesday 4th August 2026

Expect broken clouds in Hamilton, Ontario with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

  • 27°C maximum temperature27
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    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 North5
    kph wind from N

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