Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 1°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

  • Thursday
    4th Dec
    Cloudy with sleet or snow (0-2 mm of rainfall expected)
  • Friday
    5th Dec
    Cloudy with sleet or snow (2-5 mm of rainfall expected)
  • Saturday
    6th Dec
    Cloudy with sleet or snow (5-10 mm of rainfall expected)
  • Sunday
    7th Dec
    Cloudy with sleet or snow (5-10 mm of rainfall expected)
  • Monday
    8th Dec
    Cloudy with sleet or snow (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:03 on Thursday 4th December 2025 GMT

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The 5-day weather forecast for Montana (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 4th December 2025

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 1°C and no hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 67% chance of some sleet or snow and a gentle breeze of 13 kph from the south.

  • 1°C maximum temperature1
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 67% chance of some sleet or snow67
    % chance of some sleet or snow
  • 0-2 mm of sleet/snow expected<2
    mm of sleet/snow expected
  • -2°C wind chill-2
    °C wind chill
  • Gentle breeze of 13 kph from the South13
    kph wind from S

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Hamilton weather for Friday 5th December 2025

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 2°C and no hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 98% chance of some sleet or snow and a gentle breeze of 14 kph from the south.

  • 2°C maximum temperature2
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 98% chance of some sleet or snow98
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • -1°C wind chill-1
    °C wind chill
  • Gentle breeze of 14 kph from the South14
    kph wind from S

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Hamilton weather for Saturday 6th December 2025

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 3°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of sleet/snow expected with 87% chance of some sleet or snow and a gentle breeze of 16 kph from the south-west.

  • 3°C maximum temperature3
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 87% chance of some sleet or snow87
    % chance of some sleet or snow
  • 5-10 mm of sleet/snow expected<10
    mm of sleet/snow expected
  • 0°C wind chill0
    °C wind chill
  • Gentle breeze of 16 kph from the South-West16
    kph wind from SW

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Hamilton weather for Sunday 7th December 2025

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 4°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of sleet/snow expected with 65% chance of some sleet or snow and a gentle breeze of 15 kph from the south.

  • 4°C maximum temperature4
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 65% chance of some sleet or snow65
    % chance of some sleet or snow
  • 5-10 mm of sleet/snow expected<10
    mm of sleet/snow expected
  • 0°C wind chill0
    °C wind chill
  • Gentle breeze of 15 kph from the South15
    kph wind from S

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Hamilton weather for Monday 8th December 2025

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 5°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 50% chance of some sleet or snow and a gentle breeze of 17 kph from the south.

  • 5°C maximum temperature5
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 50% chance of some sleet or snow50
    % chance of some sleet or snow
  • 0-2 mm of sleet/snow expected<2
    mm of sleet/snow expected
  • 2°C wind chill2
    °C wind chill
  • Gentle breeze of 17 kph from the South17
    kph wind from S

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Metric (°C / mm)  |  Imperial (°F / inches)

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