Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 57°F. 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 17th October 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 Friday 17th October 2025

Expect mostly cloudy with light rain in Hamilton, Ontario with a maximum temperature of 57°F, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a light breeze of 7 mph from the south-east.

  • 57°F maximum temperature57
    °F maximum temperature
  • 43°F minimum temperature43
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 41% chance of some rain41
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 57°F wind chill57
    °F wind chill
  • Light breeze of 7 mph from the South-East7
    mph wind from SE

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Hamilton weather for Saturday 18th October 2025

Expect sunshine and showers in Hamilton, Ontario with a maximum temperature of 70°F, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a moderate breeze of 12 mph from the south.

  • 70°F maximum temperature70
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 19% chance of some rain19
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 12 mph from the South12
    mph wind from S

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Hamilton weather for Sunday 19th October 2025

Expect cloudy with some rain in Hamilton, Ontario with a maximum temperature of 68°F, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and a moderate breeze of 16 mph from the south.

  • 68°F maximum temperature68
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 89% chance of some rain89
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 68°F wind chill68
    °F wind chill
  • Moderate breeze of 16 mph from the South16
    mph wind from S

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Hamilton weather for Monday 20th October 2025

Expect sunshine and showers in Hamilton, Ontario with a maximum temperature of 61°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 27% chance of some rain and a moderate breeze of 15 mph from the west.

  • 61°F maximum temperature61
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 27% chance of some rain27
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 15 mph from the West15
    mph wind from W

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Hamilton weather for Tuesday 21st October 2025

Expect broken clouds in Hamilton, Ontario with a maximum temperature of 59°F, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the south-west.

  • 59°F maximum temperature59
    °F maximum temperature
  • 48°F minimum temperature48
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 59°F wind chill59
    °F wind chill
  • Moderate breeze of 16 mph from the South-West16
    mph wind from SW

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