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Lewiston weather live forecast
Tomorrow's maximum temperature in Lewiston is expected to be 99°F.
-
Friday
18th Jul -
Saturday
19th Jul -
Sunday
20th Jul -
Monday
21st Jul -
Tuesday
22nd Jul
5-day weather forecast updated at 04:01 on Friday 18th July 2025 GMT
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Recommended for Idaho
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 Friday 18th July 2025
Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 99°F, 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 moderate breeze of 14 mph from the west.
- °F maximum temperature
- °F minimum temperature
- scattered clouds
- hours of sunshine
- UV index (Very High)
- mm of rainfall expected
- high heat & humidity
- mph wind from W
Lewiston weather for Saturday 19th July 2025
Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the west.
- °F maximum temperature
- °F minimum temperature
- scattered clouds
- hours of sunshine
- UV index (Very High)
- mm of rainfall expected
- moderate heat & humidity
- mph wind from W
Lewiston weather for Sunday 20th July 2025
Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the north-west.
- °F maximum temperature
- °F minimum temperature
- scattered clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- moderate heat & humidity
- mph wind from NW
Lewiston weather for Monday 21st July 2025
Expect mostly cloudy with light rain in Lewiston, Idaho with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a light breeze of 4 mph from the north-west.
- °F maximum temperature
- °F minimum temperature
- mostly cloudy with light rain
- hour of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- low heat & humidity
- mph wind from NW
Lewiston weather for Tuesday 22nd July 2025
Expect broken clouds in Lewiston, Idaho with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north-west.
- °F maximum temperature
- °F minimum temperature
- broken clouds
- hours of sunshine
- UV index (Moderate)
- mm of rainfall expected
- moderate heat & humidity
- mph wind from NW
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