Lewiston 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Lewiston 7-day weather forecast

Stacker created the forecast for Lewiston, Idaho using data from OpenWeather. This week's high is 81 °F on Monday, while the low is 48 °F on Sunday. There are expected to be 3 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, May 4

- High of 81 °F, low of 51 °F (42% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:29 AM, sunset at 8:00 PM
1 / 6
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Tuesday, May 5

- High of 76 °F, low of 55 °F (54% humidity)
- Fair with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:27 AM, sunset at 8:01 PM
2 / 6
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Wednesday, May 6

- High of 80 °F, low of 58 °F (52% 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 5:26 AM, sunset at 8:03 PM
3 / 6
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Thursday, May 7

- High of 73 °F, low of 53 °F (44% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:24 AM, sunset at 8:04 PM
4 / 6
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Friday, May 8

- High of 71 °F, low of 54 °F (38% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 5:23 AM, sunset at 8:05 PM
5 / 6
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Saturday, May 9

- High of 66 °F, low of 50 °F (51% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:22 AM, sunset at 8:06 PM
- Last quarter moon
6 / 6
Valeriy Boyarskiy // Shutterstock

Sunday, May 10

- High of 74 °F, low of 48 °F (58% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (5 mph wind)
- Sunrise at 5:20 AM, sunset at 8:08 PM

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