Boise 7-day weather forecast

Written by:
August 18, 2025
ESOlex // Shutterstock

Boise 7-day weather forecast

Stacker created the forecast for Boise, Idaho using data from OpenWeather. This week's high is 102 °F on Sunday, while the low is 65 °F on Monday. There are expected to be 5 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, August 18

- High of 94 °F, low of 65 °F (22% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:53 AM, sunset at 8:44 PM
1 / 6
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Tuesday, August 19

- High of 100 °F, low of 71 °F (20% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:54 AM, sunset at 8:42 PM
2 / 6
Matusciac Alexandru // Shutterstock

Wednesday, August 20

- High of 97 °F, low of 66 °F (17% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:55 AM, sunset at 8:40 PM
3 / 6
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Thursday, August 21

- High of 95 °F, low of 66 °F (19% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:56 AM, sunset at 8:39 PM
4 / 6
1981 Rustic Studio kan // Shutterstock

Friday, August 22

- High of 96 °F, low of 68 °F (12% humidity)
- Partly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (6 mph wind)
- Sunrise at 6:57 AM, sunset at 8:37 PM
5 / 6
Saijai Boonmak // Shutterstock

Saturday, August 23

- High of 101 °F, low of 78 °F (9% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:58 AM, sunset at 8:36 PM
- New moon
6 / 6
Pablesku // Shutterstock

Sunday, August 24

- High of 102 °F, low of 77 °F (15% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:00 AM, sunset at 8:34 PM

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