Lewiston 7-day weather forecast

Written by:
March 23, 2026
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Lewiston 7-day weather forecast

created the forecast for Lewiston, Idaho using data from . This week's high is 75 掳F on Monday, while the low is 41 掳F on Wednesday. There are expected to be 3 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, April 6

- High of 75 掳F, low of 49 掳F (47% humidity)
- Fair with a 0% chance of rain
- High risk of harm from sun exposure (5 UV index)
- Light breeze (5 mph wind)
- Sunrise at 6:17 AM, sunset at 7:22 PM
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1 / 6
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Tuesday, April 7

- High of 60 掳F, low of 46 掳F (44% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Fresh breeze (22 mph wind)
- Sunrise at 6:15 AM, sunset at 7:24 PM
2 / 6
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Wednesday, April 8

- High of 61 掳F, low of 41 掳F (49% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (5 mph wind)
- Sunrise at 6:13 AM, sunset at 7:25 PM
3 / 6
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Thursday, April 9

- High of 64 掳F, low of 43 掳F (50% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (5 UV index)
- Light breeze (4 mph wind)
- Sunrise at 6:11 AM, sunset at 7:26 PM
- Last quarter moon
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Friday, April 10

- High of 68 掳F, low of 45 掳F (51% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Light breeze (4 mph wind)
- Sunrise at 6:10 AM, sunset at 7:28 PM
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Saturday, April 11

- High of 67 掳F, low of 49 掳F (55% humidity)
- Mostly cloudy with a 100% chance of rain (8 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:08 AM, sunset at 7:29 PM
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6 / 6
Ryzhkov Oleksandr // Shutterstock

Sunday, April 12

- High of 56 掳F, low of 42 掳F (40% humidity)
- Partly cloudy with a 20% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:06 AM, sunset at 7:30 PM

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