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 66 °F on Sunday, while the low is 34 °F on Thursday. There is expected to be 1 sunny day and rain on 3 days this week.

There are currently no weather alerts.

Monday, April 13

- High of 51 °F, low of 43 °F (89% humidity)
- Overcast with a 100% chance of rain (19 mm of rain)
- Gentle breeze (8 mph wind)
- Sunrise at 6:04 AM, sunset at 7:32 PM
1 / 6
ESOlex // Shutterstock

Tuesday, April 14

- High of 59 °F, low of 40 °F (48% humidity)
- Partly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:02 AM, sunset at 7:33 PM
2 / 6
Jaromir Chalabala // Shutterstock

Wednesday, April 15

- High of 54 °F, low of 38 °F (94% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:00 AM, sunset at 7:34 PM
3 / 6
alisalipa // Shutterstock

Thursday, April 16

- High of 50 °F, low of 34 °F (79% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:58 AM, sunset at 7:36 PM
4 / 6
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Friday, April 17

- High of 56 °F, low of 35 °F (56% humidity)
- Mostly sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (4 mph wind)
- Sunrise at 5:57 AM, sunset at 7:37 PM
- New moon
5 / 6
Canva

Saturday, April 18

- High of 65 °F, low of 38 °F (54% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:55 AM, sunset at 7:38 PM
6 / 6
John Cartwright // Shutterstock

Sunday, April 19

- High of 66 °F, low of 44 °F (56% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:53 AM, sunset at 7:40 PM

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