Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 24°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 19th August 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 Thursday 20th August 2026

Expect scattered clouds in Hamilton, Ontario with a maximum temperature of 24°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the north-west.

  • 24°C maximum temperature24
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Little or no wind of 3 kph from the North-West3
    kph wind from NW

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Hamilton weather for Friday 21st August 2026

Expect scattered clouds in Hamilton, Ontario with a maximum temperature of 24°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the east.

  • 24°C maximum temperature24
    °C maximum temperature
  • 17°C minimum temperature17
    °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
  • 24°C wind chill24
    °C wind chill
  • Little or no wind of 5 kph from the East5
    kph wind from E

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Hamilton weather for Saturday 22nd August 2026

Expect isolated thunderstorms in Hamilton, Ontario with a maximum temperature of 26°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 79% chance of some rain and a light breeze of 8 kph from the south.

  • 26°C maximum temperature26
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 79% chance of some rain79
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 26°C wind chill26
    °C wind chill
  • Light breeze of 8 kph from the South8
    kph wind from S

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Hamilton weather for Sunday 23rd August 2026

Expect isolated thunderstorms in Hamilton, Ontario with a maximum temperature of 22°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a light breeze of 11 kph from the west.

  • 22°C maximum temperature22
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 66% chance of some rain66
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 22°C wind chill22
    °C wind chill
  • Light breeze of 11 kph from the West11
    kph wind from W

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Hamilton weather for Monday 24th August 2026

Expect sunshine and showers in Hamilton, Ontario with a maximum temperature of 21°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 10 kph from the west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Light breeze of 10 kph from the West10
    kph wind from W

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