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 74 °F on Sunday, while the low is 40 °F on Monday. There are expected to be 2 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, April 27

- High of 62 °F, low of 40 °F (45% humidity)
- Partly sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:40 AM, sunset at 7:51 PM
1 / 6
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Tuesday, April 28

- High of 64 °F, low of 42 °F (51% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:38 AM, sunset at 7:52 PM
2 / 6
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Wednesday, April 29

- High of 68 °F, low of 48 °F (50% humidity)
- Fair with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:36 AM, sunset at 7:53 PM
3 / 6
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Thursday, April 30

- High of 71 °F, low of 47 °F (57% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:35 AM, sunset at 7:55 PM
4 / 6
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Friday, May 1

- High of 70 °F, low of 52 °F (62% humidity)
- Overcast with a 51% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:33 AM, sunset at 7:56 PM
- Full moon
5 / 6
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Saturday, May 2

- High of 65 °F, low of 54 °F (90% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:32 AM, sunset at 7:57 PM
6 / 6
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Sunday, May 3

- High of 74 °F, low of 53 °F (63% humidity)
- Partly sunny with a 33% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:30 AM, sunset at 7:59 PM

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