Boise weather live forecast

Today's maximum temperature in Boise is expected to be 5°C. Select a day from the live weather forecast for Boise, Idaho, USA for more weather parameters.

Tuesday
20th Jan
5

-4

4

2
Wednesday
21st Jan
5

-3

3

1
Thursday
22nd Jan
4

-2

6

2

5-day weather forecast updated at 04:01 on Saturday 17th January 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 Tuesday 20th January 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 5°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the east.

5
°C maximum temperature
-4
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
3
°C wind chill
10
kph wind from E

Boise weather for Wednesday 21st January 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 5°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.

5
°C maximum temperature
-3
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
11
kph wind from NW

Boise weather for Thursday 22nd January 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 4°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.