Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 68°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 Saturday 6th September 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 Saturday 6th September 2025

Expect mostly cloudy with light rain in Hamilton, Ontario with a maximum temperature of 68°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 1% chance of some rain and a light breeze of 6 mph from the west.

  • 68°F maximum temperature68
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 1% chance of some rain1
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 6 mph from the West6
    mph wind from W

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Hamilton weather for Sunday 7th September 2025

Expect broken clouds in Hamilton, Ontario with a maximum temperature of 64°F, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the west.

  • 64°F maximum temperature64
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 64°F wind chill64
    °F wind chill
  • Light breeze of 4 mph from the West4
    mph wind from W

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Hamilton weather for Monday 8th September 2025

Expect scattered clouds in Hamilton, Ontario with a maximum temperature of 68°F, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the west.

  • 68°F maximum temperature68
    °F maximum temperature
  • 48°F minimum temperature48
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 68°F wind chill68
    °F wind chill
  • Little or no wind of 2 mph from the West2
    mph wind from W

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Hamilton weather for Tuesday 9th September 2025

Expect clear skies in Hamilton, Ontario with a maximum temperature of 73°F, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the south.

  • 73°F maximum temperature73
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 4 mph from the South4
    mph wind from S

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Hamilton weather for Wednesday 10th September 2025

Expect scattered clouds in Hamilton, Ontario with a maximum temperature of 77°F, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 mph from the south-west.

  • 77°F maximum temperature77
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 77°F wind chill77
    °F wind chill
  • Little or no wind of 3 mph from the South-West3
    mph wind from SW

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