Lewiston weather live forecast

Today's maximum temperature in Lewiston is expected to be 11°C. Select a day from the live weather forecast for Lewiston, Idaho, USA for more weather parameters.

  • Thursday
    18th Dec
    Cloudy with some rain (5-10 mm of rainfall expected)
  • Friday
    19th Dec
    Sunshine and showers (0-2 mm of rainfall expected)
  • Saturday
    20th Dec
    Scattered clouds
  • Sunday
    21st Dec
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Monday
    22nd Dec
    Overcast with light rain (2-5 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Friday 19th December 2025 GMT

More about Lewiston

Lewiston by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Idaho

  • Save up to 50% on 2026 holidays & tours with Travelbag
  • Book selected stays in popular destinations around the world
  • Travel between 1st Jan & 31st Dec 2026 (inclusive)

Expires at 23:59 on Saturday 31st Jan 2026 · View all Travelbag offers

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 Thursday 18th December 2025

Expect cloudy with some rain in Lewiston, Idaho with a maximum temperature of 11°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 23 kph from the south.

  • 11°C maximum temperature11
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 99% chance of some rain99
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Moderate breeze of 23 kph from the South23
    kph wind from S

Back to top

Lewiston weather for Friday 19th December 2025

Expect sunshine and showers in Lewiston, Idaho with a maximum temperature of 11°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 26 kph from the west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Moderate breeze of 26 kph from the West26
    kph wind from W

Back to top

Lewiston weather for Saturday 20th December 2025

Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 8°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

  • 8°C maximum temperature8
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Gentle breeze of 13 kph from the South13
    kph wind from S

Back to top

Lewiston weather for Sunday 21st December 2025

Expect mostly cloudy with light rain in Lewiston, Idaho with a maximum temperature of 6°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 75% chance of some rain and little or no wind of 6 kph from the east.

  • 6°C maximum temperature6
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 75% chance of some rain75
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Little or no wind of 6 kph from the East6
    kph wind from E

Back to top

Lewiston weather for Monday 22nd December 2025

Expect overcast with light rain in Lewiston, Idaho with a maximum temperature of 8°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and a light breeze of 7 kph from the south-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 39% chance of some rain39
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Light breeze of 7 kph from the South-East7
    kph wind from SE

Back to top

  • Save up to 50% on 2026 holidays & tours with Travelbag
  • Book selected stays in popular destinations around the world
  • Travel between 1st Jan & 31st Dec 2026 (inclusive)

Expires at 23:59 on Saturday 31st Jan 2026 · View all Travelbag offers

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

Back to top

More about the USA

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^