
ESOlex // Shutterstock
Lewiston 7-day weather forecast
Stacker created the forecast for Lewiston, Idaho using data from OpenWeather. This week's high is 89 °F on Monday, while the low is 60 °F on Monday. There are expected to be 2 sunny days and rain on 6 days this week.
There are currently no weather alerts.
Monday, September 8
- High of 89 °F, low of 60 °F (45% humidity)- Overcast with a 100% chance of rain (2 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:17 AM, sunset at 7:13 PM
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1 / 6
Deborah Kolb // Shutterstock
Tuesday, September 9
- High of 82 °F, low of 61 °F (44% humidity)
- Sunny with a 99% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:18 AM, sunset at 7:11 PM
- Sunny with a 99% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:18 AM, sunset at 7:11 PM

2 / 6
Andrew Lever // Shutterstock
Wednesday, September 10
- High of 80 °F, low of 64 °F (49% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:20 AM, sunset at 7:09 PM
- Overcast with a 100% chance of rain (5 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:20 AM, sunset at 7:09 PM

3 / 6
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Thursday, September 11
- High of 79 °F, low of 64 °F (55% humidity)
- Mostly cloudy with a 100% chance of rain (6 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (6 mph wind)
- Sunrise at 6:21 AM, sunset at 7:08 PM
- Mostly cloudy with a 100% chance of rain (6 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (6 mph wind)
- Sunrise at 6:21 AM, sunset at 7:08 PM

4 / 6
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Friday, September 12
- High of 79 °F, low of 64 °F (55% humidity)
- Overcast with a 39% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:22 AM, sunset at 7:06 PM
- Overcast with a 39% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:22 AM, sunset at 7:06 PM

5 / 6
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Saturday, September 13
- High of 82 °F, low of 64 °F (53% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:23 AM, sunset at 7:04 PM
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:23 AM, sunset at 7:04 PM
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6 / 6
LeManna // Shutterstock
Sunday, September 14
- High of 82 °F, low of 67 °F (46% humidity)
- Mostly cloudy with a 35% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:25 AM, sunset at 7:02 PM
- Last quarter moon
- Mostly cloudy with a 35% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:25 AM, sunset at 7:02 PM
- Last quarter moon