Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 16°C. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

5-day weather forecast updated at 04:03 on Friday 14th November 2025 GMT

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The 5-day weather forecast for Montana (Lewistown) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Lewistown weather forecast by day

Below are the detailed weather forecasts for Lewistown for the next 5 days.

Lewistown weather for Friday 14th November 2025

Expect mostly cloudy with light rain in Lewistown, Montana with a maximum temperature of 16°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 26 kph from the west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 62% chance of some rain62
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 16°C wind chill16
    °C wind chill
  • Moderate breeze of 26 kph from the West26
    kph wind from W

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Lewistown weather for Saturday 15th November 2025

Expect broken clouds in Lewistown, Montana with a maximum temperature of 13°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 26 kph from the West26
    kph wind from W

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Lewistown weather for Sunday 16th November 2025

Expect mostly cloudy with light rain in Lewistown, Montana with a maximum temperature of 14°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a light breeze of 12 kph from the south-east.

  • 14°C maximum temperature14
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 62% chance of some rain62
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Light breeze of 12 kph from the South-East12
    kph wind from SE

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Lewistown weather for Monday 17th November 2025

Expect sunshine and showers in Lewistown, Montana with a maximum temperature of 11°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a light breeze of 11 kph from the south-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 55% chance of some rain55
    % 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 South-East11
    kph wind from SE

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Lewistown weather for Tuesday 18th November 2025

Expect mostly cloudy with light snow in Lewistown, Montana with a maximum temperature of 9°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 48% chance of some snow and a gentle breeze of 15 kph from the south-west.

  • 9°C maximum temperature9
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 48% chance of some snow48
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 6°C wind chill6
    °C wind chill
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

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

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