Lewiston 7-day weather forecast

Written by:
June 8, 2026
ESOlex // Shutterstock

Lewiston 7-day weather forecast

Stacker created the forecast for Lewiston, Idaho using data from OpenWeather. This week's high is 93 °F on Tuesday, while the low is 54 °F on Wednesday. There are expected to be 4 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, June 15

- High of 91 °F, low of 57 °F (36% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (5 mph wind)
- Sunrise at 4:54 AM, sunset at 8:42 PM
1 / 6
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Tuesday, June 16

- High of 93 °F, low of 61 °F (31% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Strong breeze (26 mph wind)
- Sunrise at 4:54 AM, sunset at 8:42 PM
2 / 6
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Wednesday, June 17

- High of 82 °F, low of 54 °F (31% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (6 mph wind)
- Sunrise at 4:54 AM, sunset at 8:43 PM
3 / 6
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Thursday, June 18

- High of 86 °F, low of 56 °F (37% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (5 mph wind)
- Sunrise at 4:55 AM, sunset at 8:43 PM
4 / 6
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Friday, June 19

- High of 93 °F, low of 64 °F (35% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (5 mph wind)
- Sunrise at 4:55 AM, sunset at 8:43 PM
5 / 6
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Saturday, June 20

- High of 88 °F, low of 64 °F (35% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (7 mph wind)
- Sunrise at 4:55 AM, sunset at 8:43 PM
6 / 6
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Sunday, June 21

- High of 83 °F, low of 55 °F (30% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 4:55 AM, sunset at 8:44 PM
- First quarter moon

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