Lewistown weather live forecast

Tomorrow's maximum temperature in Lewistown is expected to be 64°F.

5-day weather forecast updated at 04:03 on Tuesday 17th 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 Monday 16th June 2025

Expect isolated thunderstorms in Lewistown, Montana with a maximum temperature of 64°F, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 67% chance of some rain and a light breeze of 6 mph from the south.

  • 64°F maximum temperature64
    °F maximum temperature
  • 50°F minimum temperature50
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 67% chance of some rain67
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 6 mph from the South6
    mph wind from S

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Lewistown weather for Tuesday 17th June 2025

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 72°F, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the south.

  • 72°F maximum temperature72
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 8 mph from the South8
    mph wind from S

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Lewistown weather for Wednesday 18th June 2025

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 77°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 11 mph from the north-west.

  • 77°F maximum temperature77
    °F maximum temperature
  • 52°F minimum temperature52
    °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
  • 77°F wind chill77
    °F wind chill
  • Gentle breeze of 11 mph from the North-West11
    mph wind from NW

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Lewistown weather for Thursday 19th June 2025

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 79°F, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-west.

  • 79°F maximum temperature79
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 79°F wind chill79
    °F wind chill
  • Light breeze of 7 mph from the North-West7
    mph wind from NW

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Lewistown weather for Friday 20th June 2025

Expect isolated thunderstorms in Lewistown, Montana with a maximum temperature of 75°F, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 66% chance of some rain and a moderate breeze of 13 mph from the east.

  • 75°F maximum temperature75
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 66% chance of some rain66
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 75°F wind chill75
    °F wind chill
  • Moderate breeze of 13 mph from the East13
    mph wind from E

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  • Destinations across Europe, Americas, Asia, Africa & beyond
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Metric (°C)  |  Imperial (°F)

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