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 78 掳F on Wednesday, while the low is 44 掳F on Sunday. There are expected to be 2 sunny days and rain on 1 day this week.

There are currently no weather alerts.

Monday, June 1

- High of 75 掳F, low of 56 掳F (41% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 4:59 AM, sunset at 8:32 PM
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1 / 6
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Tuesday, June 2

- High of 76 掳F, low of 51 掳F (48% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (5 mph wind)
- Sunrise at 4:58 AM, sunset at 8:33 PM
2 / 6
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Wednesday, June 3

- High of 78 掳F, low of 54 掳F (53% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 4:58 AM, sunset at 8:34 PM
3 / 6
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Thursday, June 4

- High of 74 掳F, low of 51 掳F (56% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light air (3 mph wind)
- Sunrise at 4:57 AM, sunset at 8:35 PM
4 / 6
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Friday, June 5

- High of 76 掳F, low of 53 掳F (52% humidity)
- Mostly sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 4:57 AM, sunset at 8:36 PM
5 / 6
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Saturday, June 6

- High of 66 掳F, low of 52 掳F (48% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 4:56 AM, sunset at 8:36 PM
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6 / 6
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Sunday, June 7

- High of 67 掳F, low of 44 掳F (43% humidity)
- Mostly sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 4:56 AM, sunset at 8:37 PM

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