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Lewiston 7-day weather forecast
Stacker created the forecast for Lewiston, Idaho using data from OpenWeather. This week's high is 55 °F on Friday, while the low is 34 °F on Wednesday. There is expected to be 1 sunny day, snow on 1 day, and 5 days of rain this week.
There are currently no weather alerts.
Monday, March 17
- High of 50 °F, low of 38 °F (78% humidity)- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:56 AM, sunset at 6:56 PM
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1 / 6
Kristi Blokhin // Shutterstock
Tuesday, March 18
- High of 48 °F, low of 36 °F (43% humidity)
- Overcast with a 92% chance of snow (0 mm of snow)
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:54 AM, sunset at 6:57 PM
- Overcast with a 92% chance of snow (0 mm of snow)
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:54 AM, sunset at 6:57 PM

2 / 6
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Wednesday, March 19
- High of 53 °F, low of 34 °F (45% humidity)
- Overcast with a 64% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:52 AM, sunset at 6:59 PM
- Overcast with a 64% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:52 AM, sunset at 6:59 PM

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Thursday, March 20
- High of 51 °F, low of 39 °F (51% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Fresh breeze (23 mph wind)
- Sunrise at 6:50 AM, sunset at 7:00 PM
- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Fresh breeze (23 mph wind)
- Sunrise at 6:50 AM, sunset at 7:00 PM

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Friday, March 21
- High of 55 °F, low of 39 °F (58% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:48 AM, sunset at 7:01 PM
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:48 AM, sunset at 7:01 PM

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Saturday, March 22
- High of 50 °F, low of 39 °F (46% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:46 AM, sunset at 7:03 PM
- Last quarter moon
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 6:46 AM, sunset at 7:03 PM
- Last quarter moon
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Dmitry Naumov // Shutterstock
Sunday, March 23
- High of 45 °F, low of 40 °F (78% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (6 mph wind)
- Sunrise at 6:44 AM, sunset at 7:04 PM
- Overcast with a 100% chance of rain (5 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (6 mph wind)
- Sunrise at 6:44 AM, sunset at 7:04 PM