Lewiston weather live forecast

Today's maximum temperature in Lewiston is expected to be 27°C. Select a day from the live weather forecast for Lewiston, Idaho, USA for more weather parameters.

5-day weather forecast updated at 04:02 on Monday 29th September 2025 GMT

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

Lewiston weather forecast by day

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

Lewiston weather for Monday 29th September 2025

Expect mostly cloudy with light rain in Lewiston, Idaho with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a light breeze of 11 kph from the north-west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 36% chance of some rain36
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 11 kph from the North-West11
    kph wind from NW

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Lewiston weather for Tuesday 30th September 2025

Expect sunshine and showers in Lewiston, Idaho with a maximum temperature of 24°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 55% chance of some rain and a light breeze of 9 kph from the east.

  • 24°C maximum temperature24
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 55% chance of some rain55
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Light breeze of 9 kph from the East9
    kph wind from E

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Lewiston weather for Wednesday 1st October 2025

Expect mostly cloudy with light rain in Lewiston, Idaho with a maximum temperature of 21°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 77% chance of some rain and a light breeze of 9 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 77% chance of some rain77
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 9 kph from the South-West9
    kph wind from SW

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Lewiston weather for Thursday 2nd October 2025

Expect overcast with light rain in Lewiston, Idaho with a maximum temperature of 19°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 46% chance of some rain and a light breeze of 8 kph from the west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 46% chance of some rain46
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 8 kph from the West8
    kph wind from W

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Lewiston weather for Friday 3rd October 2025

Expect broken clouds in Lewiston, Idaho with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 12 kph from the West12
    kph wind from W

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

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