Lewiston 7-day weather forecast

Written by:
July 21, 2025
ESOlex // Shutterstock

Lewiston 7-day weather forecast

Stacker created the forecast for Lewiston, Idaho using data from OpenWeather. This week's high is 98 °F on Thursday, while the low is 60 °F on Monday. There are expected to be 4 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, July 21

- High of 74 °F, low of 60 °F (71% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 5:16 AM, sunset at 8:31 PM
1 / 6
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Tuesday, July 22

- High of 81 °F, low of 60 °F (53% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:17 AM, sunset at 8:30 PM
2 / 6
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Wednesday, July 23

- High of 93 °F, low of 60 °F (25% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:19 AM, sunset at 8:29 PM
3 / 6
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Thursday, July 24

- High of 98 °F, low of 67 °F (21% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 5:20 AM, sunset at 8:28 PM
- New moon
4 / 6
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Friday, July 25

- High of 98 °F, low of 66 °F (18% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 5:21 AM, sunset at 8:27 PM
5 / 6
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Saturday, July 26

- High of 93 °F, low of 66 °F (20% humidity)
- Partly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:22 AM, sunset at 8:26 PM
6 / 6
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Sunday, July 27

- High of 97 °F, low of 68 °F (18% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:23 AM, sunset at 8:25 PM

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