Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 20°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 Tuesday 14th April 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 Tuesday 14th April 2026

Expect isolated thunderstorms in Hamilton, Ontario with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 16 kph from the south-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 61% chance of some rain61
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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Hamilton weather for Wednesday 15th April 2026

Expect isolated thunderstorms in Hamilton, Ontario with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 85% chance of some rain and a light breeze of 8 kph from the south-west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 85% chance of some rain85
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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Hamilton weather for Thursday 16th April 2026

Expect isolated thunderstorms in Hamilton, Ontario with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 68% chance of some rain and a light breeze of 12 kph from the south-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 68% chance of some rain68
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Light breeze of 12 kph from the South-West12
    kph wind from SW

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Hamilton weather for Friday 17th April 2026

Expect mostly cloudy with light rain in Hamilton, Ontario with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 26% chance of some rain and little or no wind of 6 kph from the north-east.

  • 16°C maximum temperature16
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 26% chance of some rain26
    % 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 North-East6
    kph wind from NE

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Hamilton weather for Saturday 18th April 2026

Expect mostly cloudy with light rain in Hamilton, Ontario with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 79% chance of some rain and a light breeze of 11 kph from the south.

  • 21°C maximum temperature21
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 79% chance of some rain79
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 11 kph from the South11
    kph wind from S

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