Lewiston weather live forecast

Tomorrow's maximum temperature in Lewiston is expected to be 104°F.

5-day weather forecast updated at 04:01 on Tuesday 8th July 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 Tuesday 8th July 2025

Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 104°F, very high levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-west.

  • 104°F maximum temperature104
    °F maximum temperature
  • 68°F minimum temperature68
    °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
  • Very high heat & humidityVH
    very high heat & humidity
  • Light breeze of 7 mph from the North-West7
    mph wind from NW

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Lewiston weather for Wednesday 9th July 2025

Expect sunshine and showers in Lewiston, Idaho with a maximum temperature of 95°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0-2 mm of rainfall expected and a moderate breeze of 17 mph from the west.

  • 95°F maximum temperature95
    °F maximum temperature
  • 72°F minimum temperature72
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Moderate breeze of 17 mph from the West17
    mph wind from W

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Lewiston weather for Thursday 10th July 2025

Expect broken clouds in Lewiston, Idaho with a maximum temperature of 86°F, 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 moderate breeze of 12 mph from the west.

  • 86°F maximum temperature86
    °F maximum temperature
  • 70°F minimum temperature70
    °F 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
  • Moderate breeze of 12 mph from the West12
    mph wind from W

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Lewiston weather for Friday 11th July 2025

Expect clear skies in Lewiston, Idaho with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 16 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north-west.

  • 93°F maximum temperature93
    °F maximum temperature
  • 61°F minimum temperature61
    °F minimum temperature
  • Clear skies
    clear skies
  • 16 hours of bright sunshine16
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Light breeze of 4 mph from the North-West4
    mph wind from NW

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Lewiston weather for Saturday 12th July 2025

Expect clear skies in Lewiston, Idaho with a maximum temperature of 99°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 16 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the west.

  • 99°F maximum temperature99
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Clear skies
    clear skies
  • 16 hours of bright sunshine16
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 11 mph from the West11
    mph wind from W

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