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 04:01 on Saturday 16th August 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 Saturday 16th August 2025

Expect broken clouds in Lewiston, Idaho with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-west.

  • 27°C maximum temperature27
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 9 kph from the North-West9
    kph wind from NW

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Lewiston weather for Sunday 17th August 2025

Expect broken clouds in Lewiston, Idaho with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 8 kph from the North-West8
    kph wind from NW

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Lewiston weather for Monday 18th August 2025

Expect broken clouds in Lewiston, Idaho with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.

  • 33°C maximum temperature33
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 13 kph from the North-West13
    kph wind from NW

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Lewiston weather for Tuesday 19th August 2025

Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

  • 33°C maximum temperature33
    °C maximum temperature
  • 20°C minimum temperature20
    °C 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
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 16 kph from the North-West16
    kph wind from NW

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Lewiston weather for Wednesday 20th August 2025

Expect clear skies in Lewiston, Idaho with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

  • 33°C maximum temperature33
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 15 kph from the North-West15
    kph wind from NW

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

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