
ESOlex // Shutterstock
Lewiston 7-day weather forecast
Stacker created the forecast for Lewiston, Idaho using data from OpenWeather. This week's high is 78 °F on Wednesday, while the low is 43 °F on Tuesday. There are expected to be 3 sunny days and rain on 3 days this week.
There are currently no weather alerts.
Monday, May 5
- High of 71 °F, low of 45 °F (41% humidity)- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:27 AM, sunset at 8:02 PM
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1 / 6
liseykina // Shutterstock
Tuesday, May 6
- High of 70 °F, low of 43 °F (43% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:25 AM, sunset at 8:03 PM
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:25 AM, sunset at 8:03 PM

2 / 6
LeManna // Shutterstock
Wednesday, May 7
- High of 78 °F, low of 49 °F (45% humidity)
- Partly cloudy with a 36% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 5:24 AM, sunset at 8:04 PM
- Partly cloudy with a 36% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 5:24 AM, sunset at 8:04 PM

3 / 6
aco // Shutterstock
Thursday, May 8
- High of 66 °F, low of 49 °F (58% humidity)
- Mostly sunny with a 37% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:23 AM, sunset at 8:05 PM
- Mostly sunny with a 37% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:23 AM, sunset at 8:05 PM

4 / 6
ESOlex // Shutterstock
Friday, May 9
- High of 77 °F, low of 48 °F (57% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (5 mph wind)
- Sunrise at 5:21 AM, sunset at 8:07 PM
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (5 mph wind)
- Sunrise at 5:21 AM, sunset at 8:07 PM

5 / 6
John Cartwright // Shutterstock
Saturday, May 10
- High of 71 °F, low of 55 °F (42% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:20 AM, sunset at 8:08 PM
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:20 AM, sunset at 8:08 PM
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6 / 6
Cari Rubin Photography // Shutterstock
Sunday, May 11
- High of 68 °F, low of 52 °F (48% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:19 AM, sunset at 8:09 PM
- Overcast with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:19 AM, sunset at 8:09 PM