Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 25°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 9th June 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 9th June 2026

Expect isolated thunderstorms in Hamilton, Ontario with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 86% chance of some rain and little or no wind of 6 kph from the south.

  • 25°C maximum temperature25
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 86% chance of some rain86
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 6 kph from the South6
    kph wind from S

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Hamilton weather for Wednesday 10th June 2026

Expect isolated thunderstorms in Hamilton, Ontario with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a light breeze of 9 kph from the west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 51% chance of some rain51
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 9 kph from the West9
    kph wind from W

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Hamilton weather for Thursday 11th June 2026

Expect isolated thunderstorms in Hamilton, Ontario with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a light breeze of 8 kph from the south-west.

  • 30°C maximum temperature30
    °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 7 (High)7
    UV index (High)
  • 69% chance of some rain69
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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Hamilton weather for Friday 12th June 2026

Expect isolated thunderstorms in Hamilton, Ontario with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 79% chance of some rain and a light breeze of 10 kph from the south-west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 79% chance of some rain79
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 10 kph from the South-West10
    kph wind from SW

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Hamilton weather for Saturday 13th June 2026

Expect sunshine and showers in Hamilton, Ontario with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a light breeze of 11 kph from the west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 23% chance of some rain23
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 11 kph from the West11
    kph wind from W

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