Boise 7-day weather forecast

Written by:
June 8, 2026
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 Monday, while the low is 65 °F on Sunday. There are expected to be 3 sunny days and precipitation on 0 days this week.

NWS Boise ID has issued a heat advisory until Tuesday at 09:00 PM.

Monday, July 20

- High of 102 °F, low of 69 °F (12% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:21 AM, sunset at 9:20 PM
1 / 6
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Tuesday, July 21

- High of 93 °F, low of 69 °F (23% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:22 AM, sunset at 9:19 PM
- First quarter moon
2 / 6
Alex Stemmer // Shutterstock

Wednesday, July 22

- High of 94 °F, low of 77 °F (33% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:23 AM, sunset at 9:18 PM
3 / 6
Leena Robinson // Shutterstock

Thursday, July 23

- High of 99 °F, low of 74 °F (28% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:24 AM, sunset at 9:17 PM
4 / 6
Stepan Bessmelnitsin // Shutterstock

Friday, July 24

- High of 102 °F, low of 77 °F (22% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:25 AM, sunset at 9:16 PM
5 / 6
Witaya Proadtayakogool // Shutterstock

Saturday, July 25

- High of 98 °F, low of 66 °F (16% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:26 AM, sunset at 9:15 PM
6 / 6
New Africa // Shutterstock

Sunday, July 26

- High of 97 °F, low of 65 °F (14% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:27 AM, sunset at 9:14 PM

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