Lewistown weather live forecast

Tomorrow's maximum temperature in Lewistown is expected to be 11°C.

  • Wednesday
    12th Mar
    Broken clouds
  • Thursday
    13th Mar
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Friday
    14th Mar
    Broken clouds
  • Saturday
    15th Mar
    Cloudy with sleet or snow (0-2 mm of rainfall expected)
  • Sunday
    16th Mar
    Broken clouds

5-day weather forecast updated at 04:02 on Wednesday 12th March 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 Wednesday 12th March 2025

Expect broken clouds in Lewistown, Montana with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south.

  • 11°C maximum temperature11
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Moderate breeze of 22 kph from the South22
    kph wind from S

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Lewistown weather for Thursday 13th March 2025

Expect mostly cloudy with light rain in Lewistown, Montana with a maximum temperature of 11°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 23 kph from the south.

  • 11°C maximum temperature11
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 68% chance of some rain68
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the South23
    kph wind from S

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Lewistown weather for Friday 14th March 2025

Expect broken clouds in Lewistown, Montana with a maximum temperature of 2°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the north-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -4°C wind chill-4
    °C wind chill
  • Moderate breeze of 28 kph from the North-West28
    kph wind from NW

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Lewistown weather for Saturday 15th March 2025

Expect cloudy with sleet or snow in Lewistown, Montana with a maximum temperature of 3°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of sleet/snow expected with 49% chance of some sleet or snow and a gentle breeze of 19 kph from the south-west.

  • 3°C maximum temperature3
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 49% chance of some sleet or snow49
    % 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 19 kph from the South-West19
    kph wind from SW

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Lewistown weather for Sunday 16th March 2025

Expect broken clouds in Lewistown, Montana with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the south-west.

  • 7°C maximum temperature7
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Fresh breeze of 33 kph from the South-West33
    kph wind from SW

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

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