Boise 7-day weather forecast

Written by:
March 23, 2026
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Boise 7-day weather forecast

created the forecast for Boise, Idaho using data from . This week's high is 83 掳F on Sunday, while the low is 37 掳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, May 18

- High of 69 掳F, low of 37 掳F (29% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:16 AM, sunset at 9:05 PM
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1 / 6
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Tuesday, May 19

- High of 68 掳F, low of 45 掳F (28% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:15 AM, sunset at 9:06 PM
2 / 6
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Wednesday, May 20

- High of 70 掳F, low of 51 掳F (34% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:14 AM, sunset at 9:07 PM
3 / 6
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Thursday, May 21

- High of 72 掳F, low of 47 掳F (27% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:14 AM, sunset at 9:09 PM
4 / 6
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Friday, May 22

- High of 74 掳F, low of 51 掳F (33% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:13 AM, sunset at 9:10 PM
5 / 6
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Saturday, May 23

- High of 81 掳F, low of 59 掳F (23% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:12 AM, sunset at 9:11 PM
- First quarter moon
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6 / 6
Matusciac Alexandru // Shutterstock

Sunday, May 24

- High of 83 掳F, low of 57 掳F (21% humidity)
- Fair with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:11 AM, sunset at 9:11 PM

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