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 Saturday, while the low is 55 °F on Thursday. There are expected to be 3 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, June 29

- High of 69 °F, low of 56 °F (82% humidity)
- Overcast with a 100% chance of rain (12 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 4:58 AM, sunset at 8:44 PM
- Full moon
1 / 6
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Tuesday, June 30

- High of 82 °F, low of 56 °F (47% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (6 mph wind)
- Sunrise at 4:58 AM, sunset at 8:44 PM
2 / 6
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Wednesday, July 1

- High of 81 °F, low of 56 °F (37% humidity)
- Sunny with a 20% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 4:59 AM, sunset at 8:44 PM
3 / 6
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Thursday, July 2

- High of 83 °F, low of 55 °F (37% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:00 AM, sunset at 8:43 PM
4 / 6
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Friday, July 3

- High of 86 °F, low of 57 °F (35% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:00 AM, sunset at 8:43 PM
5 / 6
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Saturday, July 4

- High of 93 °F, low of 58 °F (28% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:01 AM, sunset at 8:43 PM
6 / 6
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Sunday, July 5

- High of 91 °F, low of 66 °F (20% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:01 AM, sunset at 8:43 PM

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