Lewistown weather live forecast

Tomorrow's maximum temperature in Lewistown is expected to be 68°F.

5-day weather forecast updated at 04:03 on Sunday 8th June 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 Sunday 8th June 2025

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 68°F, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the north-west.

  • 68°F maximum temperature68
    °F maximum temperature
  • 46°F minimum temperature46
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 16 mph from the North-West16
    mph wind from NW

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Lewistown weather for Monday 9th June 2025

Expect clear skies in Lewistown, Montana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 16 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south.

  • 82°F maximum temperature82
    °F maximum temperature
  • 45°F minimum temperature45
    °F minimum temperature
  • Clear skies
    clear skies
  • 16 hours of bright sunshine16
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 mph from the South7
    mph wind from S

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Lewistown weather for Tuesday 10th June 2025

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 79°F, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-east.

  • 79°F maximum temperature79
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 9 mph from the South-East9
    mph wind from SE

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Lewistown weather for Wednesday 11th June 2025

Expect isolated thunderstorms in Lewistown, Montana with a maximum temperature of 79°F, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a gentle breeze of 9 mph from the south-east.

  • 79°F maximum temperature79
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 59% chance of some rain59
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 9 mph from the South-East9
    mph wind from SE

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Lewistown weather for Thursday 12th June 2025

Expect isolated thunderstorms in Lewistown, Montana with a maximum temperature of 70°F, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 10-20 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 9 mph from the north-west.

  • 70°F maximum temperature70
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 70% chance of some rain70
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 70°F wind chill70
    °F wind chill
  • Gentle breeze of 9 mph from the North-West9
    mph wind from NW

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  • Destinations across Europe, Americas, Asia, Africa & beyond
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