Boise weather live forecast

Today's maximum temperature in Boise is expected to be 27°C. Select a day from the live weather forecast for Boise, Idaho, USA for more weather parameters.

Friday
25th Sep
27

13

6

5
Saturday
26th Sep
19

9

4

5
Sunday
27th Sep
22

12

0

4
Monday
28th Sep
23

9

12

5
Tuesday
29th Sep
23

9

12

5

5-day weather forecast updated at 04:00 on Friday 25th September 2026 GMT

More about Boise

Boise by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Idaho

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

The 5-day weather forecast for Idaho (Boise) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Boise weather forecast by day

Below are the detailed weather forecasts for Boise for the next 5 days.

Boise weather for Friday 25th September 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 27°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 32 kph from the north-west.

27
°C maximum temperature
13
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
27
°C wind chill
32
kph wind from NW

Boise weather for Saturday 26th September 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

19
°C maximum temperature
9
°C minimum temperature
broken clouds
4
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NW

Boise weather for Sunday 27th September 2026

Expect overcast skies in Boise, Idaho with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

22
°C maximum temperature
12
°C minimum temperature
overcast skies
0
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
16
kph wind from NW

Boise weather for Monday 28th September 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

23
°C maximum temperature
9
°C minimum temperature
scattered clouds
12
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
19
kph wind from NW

Boise weather for Tuesday 29th September 2026

Expect clear skies in Boise, Idaho with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.