
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
You may also like:
Closest national parks to Lewiston

1 / 6
Alex Stemmer // Shutterstock
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
- 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
AnnaElizabeth photography // Shutterstock
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
- 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
logoboom // Shutterstock
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
- 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
South12th Photography // Shutterstock
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
- 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
Maxim Grohotov // Shutterstock
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
- 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
You may also like:
Highest-paying management jobs for people in Lewiston

6 / 6
Leena Robinson // Shutterstock
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
- 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